Important (Read me first!)

This post is a commentary and does not contain any copyrighted material of the reference source.

We strongly recommend accessing/buying the reference source at the same time.

Reference Source

https://www.ets.org/toefl/test-takers/ibt/prepare/practice-tests.html

You can understand each word more deeply by utilizing the following YouTube Posts and PDF files.
Also, see how to use Englist.me?

All Words (249 Words)

You can learn all the words from basic to advanced levels in the order they appear in the contents.
If you want learn all words quickly, you can use Quick Look Video.

Quick Look

Podcast

Advanced Words (51 Words)

If you are confident in your vocabulary, you may prefer to study with content that covers only advanced-level words.

Word List

You can quickly review the words in this content from the list below.

Word	Meaning	Advanced
conversation	n: an informal talk between two or more people to exchange their views, ideas, information, etc.
professorship	n: a university lecturer of the highest rank, or the position of it
essay	n: a short piece of writing on a particular topic, usually written by a student as a port of a course of study
draft	n: a preliminary version of something that is not yet in its final form
overhear	v: to hear what other people are saying without intending to and their knowledge
graduate	n: a person who has a first degree from university or college; (verb) to complete the first course of university or college and get a degree
retirement	n: the fact or act of stopping working and leaving one’s job
anthropology	n: the scientific study of humanity, concerned with human behavior, human biology, cultures, societies, and linguistics in both the present and past, including past human species
depart	v: to go away or leave, especially to start a journey
bulletin	n: a short news report or program on the radio or television; an official statement or broadcast about something important
inspiring	adj: stimulating and motivating you to want to do something
pitch	n: the property of sound that varies with variation in the frequency of vibration; the degree of a slope, especially of a roof; short presentation for selling or sharing something
flashy	adj: attractive or impressive by being bright, expensive, large, etc.; (used especially of clothes) marked by conspicuous display
administer	v: to oversee and control the operation or arrangement of something
assistant	n: someone who helps or supports someone else to do a job
exciting	adj: causing a lot of interest or excitement
compile	v: to create a book, a list, a report, etc., by combining various objects, articles, music, etc.
database	n: a large amount of data stored in a computer system in such a way that it can be searched and updated easily
faculty	n: an inborn or natural ability to hear, see, think, move, etc.; a department or group of the university concerned with a major division of knowledge
glory	n: great honor or success won by notable achievements
hesitate	v: to pause decision before saying or doing something
suppose	v: to think that something is likely to be actual or possible
versatile	adj: able to do many things in different fields; having many talents
interaction	n: the act of connecting with someone, mainly when working, playing, or spending time with them
influential	adj: having significant impact or power on someone or something
ethnology	n: an academic field that compares and analyzes the characteristics of different peoples and the relationships between them
speciation	n: the evolutionary process by which populations evolve to become distinct species
distinct	adj: noticeable from something else of a similar type
population	n: the total number of people in a country, region, or location
isolate	v: to physically or socially separate someone or something from other people or things
linguistic	adj: relating to language or the study of language
fascinating	adj: extremely interesting
assignment	n: a duty or task given to someone, usually as part of their job or studies
volunteer	n: a person who performs or offers to perform a job or service without being paid for or forced to do
announce	v: to make something known or officially inform people about something
refuse	v: to show that one is not willing to do or accept something
prefer	v: to like, choose, or want one thing or person better than another
preparation	n: the activity of getting ready for something or making something ready
permanent	adj: lasting for a long time without essential change
demonstrate	v: to display something or give an exhibition to an interested audience
vary	v: to become different in terms of size, shape, etc.
doubt	n: a feeling of being uncertain about something, especially about how good or accurate it is
qualification	n: an official record of an exam showing that you have completed
recommend	v: to suggest that someone or something would be a suitable fit for a particular purpose or role
apologize	v: to express regret for committing wrongdoing or causing a problem
bat	n: a nocturnal animal with wings that flies and feeds at night, similar to a mouse; a piece of wood with a handle used for hitting the ball in sports including baseball, cricket, and table tennis
acoustics	n: a branch of physics that deals with the study of mechanical waves in gases, liquids, and solids, including topics such as vibration, sound, ultrasound, and infrasound
biology	n: the scientific study of life and the natural processes of living things
ultrasound	n: higher frequency sound than humans can hear
frequency	n: an ordered array of colors into which a light beam can be split
blind	adj: unable to see; unable or unwilling to perceive or understand the true nature of something
echolocation	n: the use of reflected sound waves to locate objects, particularly by dolphins and bats.
locate	v: to specify or determine the exact position of someone or something
navigation	n: the act of directing a ship or airplane from place to place; advice or information intended to resolve a problem or challenge, especially as given by someone in authority
typical	adj: having the usual characteristics or traits of a specific group of things
insect	n: any small creature that has six legs and a body divided into three sections
rely	v: to require a specific thing or the assistance and support of someone or something to continue, run properly, or succeed.
vision	n: the ability to think about or see the future with imagination and intelligence; the faculty of being able to see
summary	n: a brief statement that provides the critical aspects of something without going into depth
emit	v: to give off or send out something such as light, heat, sound, gas, etc.
ultrasonic	adj: having frequencies above the upper limit of human hearing
analyze	v: to think about in-depth and evaluate to discover essential features or meaning
bounce	v: to cause to move up or away after hitting a surface; to spring back
diagram	n: a simplified illustration of the appearance, structure, or workings of something
echo	n: a sound heard after being reflected off a surface, such as a wall or a cliff
cave	n: a large hole in the side of a hill, cliff, mountain, or under the ground
detect	v: to find or recognize something, especially something difficult to see, hear, etc.
associate	v: to mentally connect someone or something with someone or something else
moth	n: an insect with wings similar to a butterfly that travels at night and is attracted to light
prey	n: the object of a hunt; an animal hunted or trapped for eating
distinguish	v: to notice or understand the difference between two people or things
underestimate	v: to think or suppose that a quantity, price, or size is smaller than it is
sophisticated	adj: having a great deal of worldly experience and knowledge of people’s behavior, culture, and fashion
filter	n: any of several types of equipment or systems used to separate particles from liquids or gases or to remove specific forms of light
radar	n: a technology that employs radio waves to locate items that cannot be seen
ignore	v: to intentionally not listen or pay attention to
stationary	adj: not moving or not capable of being changed
clutter	n: to fill a room or place with so many items that it becomes messy
experiment	n: the scientific test conducted to observe what happens and gain new knowledge
spear	n: a weapon with a long shaft and a sharp metal point used for battle, hunting, and fishing in the past
mass	n: a large amount of a substance with no definite shape or form; a large number of people or things grouped or crowded together
chaotic	adj: without any order or organization; extremely disorganized, unpredictable, and confusing
acoustic	adj: relating to sound or the sense of hearing
evaluate	v: to assess or estimate the quality, significance, quantity, or value of something
deciduous	adj: (of plants and shrubs) shedding its foliage annually; (of teeth, antlers, etc.) shedding its body parts at the end of a period of growth
maple	n: a tall tree with five-pointed leaves that turn brilliant crimson or yellow in the fall that grows in the northern region
oak	n: a large deciduous tree that is common in northern regions and produces small nuts called acorns
dense	adj: containing a large number of people or something with little space between them
packed	adj: extremely full of people; very crowded
faint	adj: not strong, clear, or vigorous; slight or weak
waveform	n: a curve illustrating the shape of a wave at a specific time
jagged	adj: having a rough and sharply uneven surface or outline
rough	adj: not quite exact or correct; having or caused by an irregular surface
pulse	n: the regular heartbeat as it sends blood around the body, especially when it is felt at the wrist or side of the neck; a solid regular vibration of sound, electric current, light, or other waves
comparison	n: the consideration or examination of the similarities between two or more people or things
accurate	adj: correct and exact in all details
addition	n: the act or process of adding something to something else; the process of adding numbers
accord	n: an official agreement or treaty between two organizations, countries, etc.; (verb) allow to have
react	v: to take action in response to something
presence	n: the fact or state that someone or something exists, occurs, or is present
surround	v: to be all around something or somebody
trunk	n: the main stem or body of a tree which its branches grow
interval	n: a period between two events or times; a short break or pause
praise	n: an expression that shows approval and admiration of the achievements or characteristics of someone or something
principle	n: a fundamental law or truth that explains or controls how something happens or works
requirement	n: something that is needed or wanted
registrar	n: an official in charge of maintaining official records
diploma	n: a document showing the completion of a course of study or a portion of the education program; a course of study at a college or university
warn	v: to make someone aware of potential danger or difficulty, particularly one that may occur in the future
academic	adj: associated with schools, colleges, and universities, especially studying and thinking, not with practical skills
intermediate	adj: situated between two locations, things, states, etc.; around the middle of a scale of evaluation
outline	v: to describe the main facts or aspects involved in something
definitely	adv: without any question and beyond doubt; clearly
chairperson	n: the officer who presides over organization meetings
unfortunately	adv: by bad luck; unluckily
assign	v: to give a specific job or piece of work to a someone
depth	n: the distance between the top and bottom of something; between the top surface and a distance below it
fieldwork	n: real-world research or study conducted outside a library or laboratory.
supplement	n: something that is added to something else to make it better or complete it
cancel	v: to decide that a previously scheduled activity will not take place
immediately	adv: now or without delay
verify	v: to check that something exists or is true, or to prove that something is correct
arrangement	n: a plan or preparation for the future event; the action or process of placing things in a particular order
certify	v: to formally state, especially in writing, that something is true
deadline	n: a date or period by which something must be done
fulfill	v: to meet the requirements or expectations; to achieve or realize
submit	v: to give or offer a document, proposal, etc. to a decision-maker for examination or consideration
regularly	adv: at regular intervals or times
obtain	v: to get something, especially by making a great effort
emphasize	v: to give or show particular importance to something
motivation	n: the reason or enthusiasm for acting or behaving in a particular way
resolve	v: to find a suitable answer to the problems or difficulty
grade	n: a particular level of quality, size, importance, etc.
imply	v: to indicate the truth or existence of something without referring to it
uncertain	adj: not being sure of something; not being able to choose
reliability	n: the quality of being able to be trusted or believed in doing what someone desires or requires
approve	v: to think that someone or something is favorable, acceptable, or appropriate; to officially accept a plan, request, etc.
habitat	n: the type of natural environment in which an organism or group usually lives or occurs
disperse	v: to spread out or distribute over a broad region, or to cause something to do so
reproduce	v: to make a copy of something such as a picture, piece of text, music, etc.; to produce offspring through a sexual or asexual process
organism	n: a tiny living thing
physically	adv: in a way related to a person’s body or appearance rather than their mind
breed	v: to keep animals for producing offspring in a regulated manner
preference	n: a stronger liking or interest for something or someone than another thing or person
offspring	n: descendant; any immature animal or plant
survival	n: the state of continuing to exist or live, frequently in the face of difficulty or danger
recap	v: to repeat or summarize what has been said, decided, etc.
frank	adj: honest and sincere; open and candid in expression
environment	n: the natural world such as air, water, and land in which humans, animals, and plants live
normally	adv: usually; under normal conditions
element	n: a fundamental or essential part of something
obvious	adj: easy to see, discover or understand
climate	n: the weather in a particular location averaged over some long period
destruction	n: the act of causing so much damage to something
shorebird	n: a bird that visits the seashore
shellfish	n: water creatures that live in shells, especially one of the types that can be eaten
blend	v: to mix or combine two or more substances
camouflage	n: an outward appearance that conceals the underlying essence of something; the way of concealing troops or military equipment so they cannot be seen against the surrounding environment
predator	n: an animal whose natural behavior is to prey on others
shallow	adj: not having much distance from the top to the bottom
depression	n: a mental condition in which a person feels very unhappy and without hope for the future; a severe recession in an economy or market
fledgling	n: water creatures that live in shells, especially one of the types that can be eaten
nest	n: a structure in which animals lay their eggs or give birth to their young
vulnerable	adj: capable of being hurt or influenced physically or mentally
threaten	v: to utter intentions of injury or punishment against someone
conservationist	n: a person who advocates or acts to protect and preserve the environment and wildlife
sandbar	n: an extended raised area of sand beneath the surface of the water, typically generated by moving currents, especially where a river enters the sea
inaccessible	adj: unable to travel to or reach; not available
instance	n: a particular example or single occurrence of something
exhibit	v: to show something in public for people to enjoy or to provide them with information
warble	v: (of a bird) to sing, particularly with an unstable high voice
songbird	n: a bird with a musical call, such as a blackbird or thrush
hardwood	n: the wood of a broadleaf tree, such as oak, ash, or beech, as contrasted to that of conifers
bush	n: a plant growing thickly with many small branches and several stiff stems coming up from the root
underneath	adv: under or below something else
shrub	n: a woody plant that is smaller than a tree and has several main stems emerging from the soil
density	n: the quality of compactness of a substance
spot	n: a particular location or place; a small round or roundish area, differing in color or feels from the surface around it
dominant	adj: more important, influential, or easy to notice than anything else of the same type
reproductive	adj: connected with the process of reproduction; relating to reproducing babies, young animals, or plants
chick	n: a baby bird, especially a young chicken
correlate	v: to have a connection or relationship in which one thing affects or depends on another
stream	n: a small, narrow river; a continuous flow of something, such as liquid, gas, people, vehicles, etc.
essentially	adv: relating to the essential features or concepts of anything
compete	v: to strive to achieve more success than someone or something
suit	n: a set of clothes that are made from the same material; a claim or complaint that a person or organization can file in court against another party; (verb) to be fit or acceptable for
prime	adj: main or most important; basic
competitor	n: a person who participates in a sporting contest; a person or organization that competes with others, particularly in business
competition	n: a situation in which someone is attempting to beat or outperform another
examine	v: to study or consider a person or object attentively and thoroughly to learn something about them
consequence	n: the outcome of a particular action or event, especially relative to an individual
avail	v: to help or benefit; to use or take advantage of
predatory	adj: living by eating other animals, especially by catching prey that is still alive
illustrate	v: to provide pictures, photographs, diagrams, etc. in a book or something for explanation
relation	n: the way two persons or groups of people feel and act toward one another
vegetation	n: plants in general, particularly those indigenous to a particular region or spot
disturb	v: to interrupt someone who is trying to work, sleep, etc.
competitive	adj: involving competition or competitiveness
infer	v: to form an opinion or conclude that something is true based on existing facts
contradict	v: to deny the truth of a statement by stating the opposite; to be in conflict with
aspect	n: one part or feature of a situation, problem, subject, etc.
recall	v: to remember something
birch	n: a slender, hardy tree with smooth bark and narrow branches, native to northern regions
bark	n: the hard outer layer of a tree; a sound made by dogs or some other animals
native	adj: connecting with or describing someone’s birth country or place of birth, or someone born in a specific country or place
soil	n: the top layer of Earth in which plants grow
prevalent	adj: existing very commonly in a particular area or in a specific time
waterproof	adj: not permitting the passage of water
utensil	n: a tool used in the house
peel	v: to remove the skin of fruit and vegetables
adhere	v: to stick firmly; to be compatible
pliable	adj: flexible; easy to bend without breaking or cracking
cord	n: a strong, thick, or thin thread or rope; a piece of plastic-coated wire used to transport electricity to a piece of equipment
canoe	n: a narrow, light boat with pointy ends and no keel that is propelled by a paddle
interconnect	v: to connect similar things
transport	n: a system for moving people or products from one location to another using automobiles, roads, and so on
vessel	n: a ship or large boat
essential	adj: indispensable; fundamental
overgrown	adj: covered in plants that have been allowed to grow naturally and have not been controlled
lightweight	adj: composed of thinner and lighter material than average; not severe or impressive
sturdy	adj: physically strong and not easily damaged
stretch	v: to make or be capable of making anything longer or broader without hurting or breaking
frame	n: a strong border or structure of the wood, metal, etc. that surrounds something such as a picture, door, or window
stitch	n: one of the tiny thread lines visible on a piece of fabric after it has been sewn
sealed	adj: closed or secured with
sticky	adj: made of or covered with an adhesive substance; hot or warm and humid
liquid	n: a substance, such as water or oil that flows freely and is neither a solid nor a gas
watertight	adj: tightly sealed, secured or designed to prevent water entry or passage
cargo	n: the goods carried by ship, aircraft, or other vehicles
weigh	v: to have a particular weight; to carefully evaluate things before making a conclusion
pound	n: the standard unit of money in the UK; the standard unit of weight equal to 16 ounces
vast	adj: enormous in size, number, amount, or quantity
maneuver	n: a motion or combination of moves that requires skill and care; a clever strategy, activity, or movement intended to give someone an advantage
occasionally	adv: now and then; sometimes but not often
alliance	n: a partnership or association formed for mutual benefit, particularly between nations or organizations.
expand	v: to increase or to make something greater in size, number, or importance
efficiency	n: the state or quality of doing something well with no waste of input such as time or money
impressive	adj: arousing admiration due to size, quality, or skill
adopt	v: to choose to follow something; to legally take a child from another family and care for them as if they were one’s own
lodge	n: a small country house where people stay when they want to participate in outdoor activities; (verb) officially present a complaint, appeal, claim, etc. to the appropriate authorities
roofing	n: the material used in the construction of roofs
adept	adj: having or showing knowledge and skill and aptitude to do something quite difficult
characteristic	n: a typical feature or quality that can identify, tell apart, or describe something or somebody
repel	v: to force an attack or attacker to withdraw or retreat
texture	n: the feel or appearance of a surface or substance
settler	n: a person who moved with a group of others to live in a different country or area
misprint	n: typography, such as a misspelled word in a printed text
explanation	n: the information or arguments that someone provides to make something understandable or clear
geography	n: a field of science devoted to the study of the lands, features, inhabitants, and phenomena of the Earth