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

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 (163 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



YouTube Post

Vocabulary Builder

Advanced Words (64 Words)

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

YouTube Post

Vocabulary Builder

Word List

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

polaradj: relating to, or close to, the North or South Pole; characterized by complete opposites
specializev: to become an expert in a specific career field, study, or business
photographn: a picture or image that is produced by a camera; a visual representation or record of a person, object, or scene that has been captured electronically or on film
communaladj: belonging to or used by a group rather than individuals; for common use
obviousadj: easy to see, discover or understand
sandboxn: an outdoor play area for children consisting of a box filled with sand; a virtual testing environment used for software development or security testing
obsessv: to fill the mind of someone continually so that one can’t think of anything else
realmn: a domain of activity, interest, or knowledge
cross-sectionn: a two-dimensional representation of a slice or portion of a three-dimensional object or structure, showing the internal arrangement and relationship of its parts; a sample or subset of a larger population or entity that allows insight into its characteristics or behavior
nationn: a large organized community of people living in a particular country or region and having a particular culture
geographyn: a field of science devoted to the study of the lands, features, inhabitants, and phenomena of the Earth
coveragen: the reporting or news of an important event, sports, subject, etc.; the amount, range, area, or quality of something that something provides
excitev: to make someone feel suddenly enthusiastic or eager
slidev: to move or cause to move smoothly along a surface without interruption
rainforestn: a forest rich in biodiversity that is generally found in tropical settings with heavy annual rainfall
spiritn: the part of a person which is the seat of their mind, feelings, and character rather than their physical body; the general atmosphere of a place or situation and the effect that it has on people
proposev: to make a proposal, declare a plan for something
excusen: a reason or explanation, either true or invented, given to justify a fault or defend your behavior; (verb) to make someone free from blame or clear from guilt
incredibleadj: unbelievable; enormous
grabv: to take hold of something or someone suddenly with a hand, especially in a violent way
cultn: a small religious group, especially one that is not part of a larger religion and that is regarded as outside the norm; followers of an exclusive system of beliefs and practices
modifyv: to change something slightly, such as a plan, option, law, etc., especially to make it more suitable for a particular purpose
wanderv: to walk around slowly or to a place, often without any clear purpose or direction
lyen: a highly alkaline solution made by soaking hardwood ashes in the water, used in the production of soap, detergents, and other cleaning agents; a caustic substance
tickn: a light, sharp, repetitive sound or action; a mark indicating that something is correct or has been done; any of two families of small parasitic arachnids with barbed proboscis
appreciatev: to value and acknowledge the worth of someone or something; to be grateful for something or someone
inundatev: to flood or overwhelm with an excessive amount of something
disappearv: to cease to exist or be visible
originn: the first existence or beginning of something
arcticadj: of or relating to the region around the North Pole or the Arctic Ocean; very cold
extentn: the point or degree or area to which something extends
glazev: to cover or coat with a thin layer of film, particularly a shiny or glossy layer, such as a layer of protective material on ceramics or a top coat of paint on a surface; to apply a thin, glossy coating to food, often using a sauce or syrup
conceptn: an idea or principle associated with something abstract
ecosystemn: all the plants and living creatures in an area and the way they affect each other and the environment
projectionn: the act of calculating or guessing, or the state of being estimated; any solid shape or object that juts out from something; an image on a screen cast from something
extinctadj: no longer in existence
charismaticadj: having a strong and magnetic personality that attracts and influences others
megafaunan: a term used to describe large animals that lived during the Pleistocene epoch, such as mammoths, mastodons, and saber-toothed tigers, and that are now extinct
amazingadj: extremely surprising, especially in a way that you like or admire
huntv: to go after and try to catch wild animals to kill them for food, sport, or profit
shoren: the land along the edge of a sea, lake, broad river, or other large body of water; (verb) to support by placing against something solid or rigid
glaciern: a slowly moving mass of ice formed from snow on mountains or near the North Pole or the South Pole
caven: a large hole in the side of a hill, cliff, mountain, or under the ground
sealv: to close or fasten an envelope, etc. securely; (noun) a large marine mammal that chiefly lives in cold regions and comes on shore to breed
beardn: hair that grows on a man’s face, often around the mouth and chin
defendv: to protect someone or something from attack, criticism, danger, etc.
bellyn: the front part of the body below the chest, containing the stomach and bowels; the rounded or curved part of an object, such as a ship or aircraft
regurgitatev: to bring back partially digested food from the stomach to the mouth; to repeat or recite something without understanding or adding anything new or original
survivev: to live or exist despite a dangerous event or period
biologyn: the scientific study of life and the natural processes of living things
meltv: to turn from something solid into something soft or liquid as a result of heating
cubn: a young of certain carnivorous mammals such as lion, bear, wolf, etc.; an awkward, rude, and inexperienced boy
offshoreadj: situated at or happening in the sea, not far from the shore or land; (of winds) coming from the land
nowhereadv: not in, at, or to any place; not anywhere
hypothermicadj: relating to or characterized by abnormally low body temperature, typically resulting from prolonged exposure to cold temperatures
unfortunatelyadv: by bad luck; unluckily
recedev: to pull back or move away or backward
injectv: to put a liquid such as a drug or other substance into a person’s or an animal’s body using a needle and syringe (= small tube)
dumplingn: a small ball or lump of dough, often boiled or steamed and filled with meat or vegetables
bundlen: a group of things that are tied or wrapped together; a large amount or quantity of something; a package or parcel of things
blubberv: to speak or cry in a way that is noisy, emotional, and often difficult to understand; to sob or weep uncontrollably; (noun) a thick layer of fat that lies under the skin of marine mammals such as whales, seals, and walruses
mainstayn: a thing that is relied upon to support or uphold something else
harborn: an area of water next to the coast where ships and boats are protected from rough water by piers, jetties, and other artificial structures; (verb) keep in one’s possession
associatev: to mentally connect someone or something with someone or something else
predictv: to state beforehand that something will happen in the future, mainly based on knowledge or experience
acceleratev: to make something faster or earlier; to cause to develop or progress more quickly
processn: a series of actions or operations performed to achieve a particular outcome or goal; a systematic procedure or approach used to accomplish a specific task or objective; a method of treating milk to make it suitable for consumption or use in other dairy products
visibleadj: capable of being seen; or open to easy view
divev: to jump into the water with your head and arms going in first, or to move down to a deeper level underwater
chunkn: a thick and solid mass or piece of something
microorganismn: a very small living thing that may exist in its single-celled form or as a colony of cells and is too small to be seen without a microscope
phytoplanktonn: tiny little plants that float on the surface of the water and on which sea creatures feed
seaweedn: a plant that grows in the sea or on land very close to the sea, especially marine algae
zooplanktonn: very small animals that live in water and on which other sea creatures feed
soiln: the top layer of Earth in which plants grow
invertv: to turn something upside down, inside out; to reverse the position, order, or relationship of something
extremeadj: very great in amount or degree
vomitv: to eject food, blood, etc., from the stomach through the mouth; (noun) the matter ejected from the stomach through the mouth
assistantn: someone who helps or supports someone else to do a job
woov: to seek the affection or favor of someone; to court or pursue someone romantically or with flattery
communicatev: to share or exchange information with others by speaking, writing, moving your body, or using other signals
breakdownn: a failure or collapse of a system or organization
belugan: a type of whale found mainly in Arctic and sub-Arctic waters
whalen: a very large sea mammal that has a streamlined body and breathes through a blowhole on the head; a very large person; impressive in size or qualities
bowheadn: a large, baleen whale species typically found in Arctic and subarctic regions, known for its distinctive, arched upper jaw
narwhaln: a medium-sized toothed whale found in Arctic waters, known for its long spiral tusk that is actually a protruding canine tooth
leopardn: a large wild cat that has yellow-brown fur with black spots and lives in Africa and southern Asia
dizzyadj: having or causing a whirling sensation and not able to keep balance
vertigon: a feeling of dizziness or disorientation often caused by a disturbance in the inner ear; a sensation or feeling of being unsteady or losing one’s balance
nervousadj: worried and anxious about something; relating to the nerves
amphipodn: a small, shrimp-like crustacean with a laterally compressed body and a curved abdomen, typically found in freshwater and marine environments
copepodn: a small, planktonic crustacean that is a dominant part of the marine zooplankton and serves as a major food source for many aquatic organisms
chainn: a series of connected links or objects; a system or group of interconnected elements; a restraint or shackle
supposedlyadv: according to what is generally assumed or believed without actually knowing for sure
industrialadj: of or relating to or resulting from industry
revolutionn: a large-scale attempt to overthrow the government of a country, often using violence or war;
threatn: a strong indication or likelihood of harm, danger, or adverse consequences; an expression of intent to inflict harm or injury on someone or something, often made as a means of coercion or intimidation
majesticadj: impressive or grand in appearance, size, or manner; stately
ivoryn: a hard, creamy-white substance that comes from the tusks of elephants, walruses, and some other animals and is used to make ornaments and other decorative items
tuskn: a long, pointed tooth, usually found in animals such as elephants, walruses, or wild boars, which protrudes from the mouth and is used as a weapon or for digging
breathn: the air that is taken into and expelled from your lungs; the process of taking into and expelling air from your lungs
swarmn: a group of many things, such as insects, fishes, etc., in the air or water or on the ground
deathbedn: a person’s bed, especially one in a hospital or home, on which they are expected to die or have died; a situation or event that occurs shortly before the end of someone’s life
reputationn: the general opinion that people have about someone or something, especially when this is based on their previous experiences or behaviors
wryadj: using or expressing dry or ironic humor, often with a twisted or distorted facial expression
sinisteradj: giving the impression that something bad or evil is happening or will happen
spotn: a particular location or place; a small round or roundish area, differing in color or feels from the surface around it
positv: to suggest or accept something as fact or as a basis for argument or consideration
prehistoricadj: belonging to or existing in times before recorded history; no longer fashionable
scaryadj: causing fear or fright; frightening; intimidating
tragicadj: causing great sadness or suffering; very unfortunate
drownv: to die or cause to die by being unable to breathe underwater
consumev: to spend something, especially fuel, energy, or time, in a large amount
viciousadj: having or showing a desire to cause harm to others; having the nature of vice
misunderstandv: to interpret or understand something in the wrong way
penguinn: a flightless sea bird that is found in the Southern Hemisphere and is known for its distinctive black and white coloring and its upright, waddling gait
uglyadj: unattractive in appearance; unpleasant to look at
monstrousadj: extremely large or evil, or having a frightening appearance
unfoldv: to open up or spread out something that is folded or rolled up; to reveal or disclose something that was previously hidden or unknown
poundn: the standard unit of money in the UK; the standard unit of weight equal to 16 ounces
aggressiveadj: behaving in an angry, energetic, or threatening way towards another person; tending to spread quickly
zodiacn: a band or belt of the imaginary celestial sphere divided into twelve equal parts, each named after and associated with a particular constellation; any similar system of division or categorization based on astrological or astronomical concepts
pontoonn: a flat-bottomed boat or floating structure used as a platform or support; a device attached to the bottom of an aircraft to provide stability during takeoff and landing
sinkv: to submerge or go down below the surface of a liquid or substance; to decline or deteriorate; to cause something to go down into a liquid substance or sink into something else
balloonn: a small bag made of thin rubber or other light material that can be inflated with air or gas, used as a toy or as a decoration; (verb) to become inflated
coven: a small sheltered bay or inlet, typically rocky and steep-sided; a small strip of land jutting into the sea
bloodyadj: covered in or smeared with blood; involving or characterized by bloodshed or brutality
flipv: to turn over into a different position quickly; to throw or toss with a light motion
hulln: the main body or frame of a ship, airplane, or other vehicles, or the outer covering or shell of a seed, fruit, or other objects
scoldv: to reprimand or criticize someone severely or angrily
tremblev: to shake slightly in a way that you cannot control, for example, because you are frightened, angry, or excited, or because of illness
snorkeln: a tube-like device used for breathing underwater, with one end in the mouth and the other above the surface of the water
rollv: to move in a particular direction by turning over and over or from side to side
engulfv: to swallow up; to surround and cover completely
scaredadj: afraid or frightened
displayv: to exhibit or show something to others, often to attract attention or demonstrate its features, properties, or value
relaxv: to become or cause someone to become less active or tense and calmer
flapn: a piece of material attached to a garment, sail, or aircraft which flaps in the wind; (verb) to move in a wavy pattern or with an up-and-down motion
dawnn: the time of day when the sun’s light starts to show in the sky
releasev: to set free or allow to escape from confinement
dejectedadj: feeling or showing sadness, lack of hope, or confidence; disheartened; depressed
anthropomorphicadj: describing or relating to the attribution of human characteristics to non-human entities
swearv: to make a solemn promise or vow; to use rude or offensive language
uselessadj: not serving any useful purpose; having no practical result
predatorn: an animal whose natural behavior is to prey on others
starvev: to suffer or die from lack of food; to cause someone or something to suffer or die from lack of food; to deprive something of necessary nourishment or sustenance
bobv: to move up and down quickly and repeatedly, often in a short, jerky motion; to cut, trim, or shorten hair, especially by repeatedly snipping with scissors; (noun) a hairstyle in which the hair is cut short and even all around, usually above the shoulders
emotionaladj: relating to people’s feelings
maskv: to conceal something; (noun) a covering that you wear over your face to hide it
floodn: a large amount of water flowing beyond its normal limits; an overwhelming number or amount
underwateradv: below or under the surface of the water
balletn: a type of performance dance that tells a dramatic story or expresses an idea with music but no talking or singing
icebergn: a large piece of ice floating in the sea, detached from a glacier
breedv: to keep animals for producing offspring in a regulated manner
frustratev: to hinder or prevent efforts, plans, or desires from doing, succeeding, or being fulfilled; to make someone feel upset or annoyed because they are unable to change or achieve something
bubblen: a thin, round, and often transparent mass of gas that is surrounded by a thin layer of liquid; a state of economic or social prosperity that is unsustainable and eventually collapses
gutn: the long tube in the body of a person or animal through which food passes when it leaves the stomach; the mental strength or bravery required to do something difficult or unpleasant
jackhammern: a powerful mechanical tool used to break up pavement, concrete, or other hard materials, typically used in construction or demolition projects
sneakv: to go somewhere, or take someone or something somewhere secretly or stealthily; to steal or do something secretly or stealthily
chasev: to pursue something or someone to catch or capture them; to go after something vigorously or with determination; (noun) a pursuit or a hunt; a narrow groove or channel cut into a surface, often used for decorative purposes
encounterv: to face something, particularly something unpleasant or difficult, while attempting to do something else; to meet, especially unexpectedly
remarkableadj: worthy of attention because unusual or special
environmentn: the natural world such as air, water, and land in which humans, animals, and plants live