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 (146 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 (35 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.

malarian: a severe disease caused by a parasite that is spread by the bite of an infected mosquito
planetn: any of the nine large celestial bodies that circle in the solar system; any celestial body that revolves around a star
progressionn: the act or process of changing to the next stage or phase or moving forward
diseasen: a disorder or illness that affects the body or mind, often characterized by specific symptoms or abnormal functioning of organs or systems
undoubtedlyadv: without a doubt; certainly; definitely
stallv: to stop or cause to stop making progress; (noun) small area or booth set off for the sale of goods in a market or large covered area
tacklev: to try to deal with a complex problem or situation
infectv: to affect a person, an animal, or a plant with a disease-causing organism
immunityn: the ability of an organism to resist infection or disease, often due to the presence of antibodies
developv: to grow or expand; to improve or refine through a process of progress and refinement, often to achieve greater sophistication or complexity; to elaborate or add detail to something that is in the process of being created
infectionn: a condition in which pathogenic microorganisms or viruses have entered the body
infectiousadj: able to be passed quickly from one person, animal, or plant to another, especially through air or water
symptomn: any sensation or change in body or mind that is experienced by a patient and is associated with a particular disease
needlen: a thin, pointed object typically used for sewing or medical purposes; a metal or plastic instrument used for administering injections or drawing blood
haystackn: a large mound of hay, usually stacked in a conical or cylindrical shape, used for animal feed or bedding
statisticsn: the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data
relaxv: to become or cause someone to become less active or tense and calmer
breathn: the air that is taken into and expelled from your lungs; the process of taking into and expelling air from your lungs
inhalev: to breathe in air or a different substance, such as smoke
sighv: to emit a deep, audible breath or sound, often expressing feelings of tiredness, frustration, or relief; to express longing, wish, or regret; (noun) the act of exhaling audibly in a long, deep, and often melancholy way
environmentn: the natural world such as air, water, and land in which humans, animals, and plants live
leanadj: having a noticeably small amount of body fat; (verb) to bend or move from a straight to a sloping posture
armpitn: the hollow under the arm where it joins the shoulder
sniffv: to inhale audibly through the nose, often to detect or identify a smell; to draw in air through the nostrils with a quick, audible intake of breath
pleasantadj: enjoyable, attractive, friendly, or agreeable
perfumen: a liquid that emits and diffuses a pleasant smell, usually used on the skin
odorn: a distinctive or unpleasant smell; a scent or aroma that can be sensed through the sense of smell
associatev: to mentally connect someone or something with someone or something else
typhoidn: a severe bacterial infection that is typically spread through contaminated food or water; symptoms include fever, headache, muscle aches, and gastrointestinal problems
apparentlyadv: based on what you have heard or read
staleadj: no longer fresh, new, or interesting; dull or uninteresting
butchern: a person who prepares and sells meat, especially at a retail shop; a person who kills or slaughters animals, especially for food; a person who engages in the relentless or brutal treatment of others
rotv: to decay, or cause something to decay, naturally and gradually
fouladj: extremely unpleasant, dirty, or smelling bad
putridadj: decaying or rotting and emitting a foul or offensive odor; morally corrupt, foul, or depraved; repulsive or disgusting
pungentadj: having a strong, sharp odor or taste
reputationn: the general opinion that people have about someone or something, especially when this is based on their previous experiences or behaviors
complimentn: an expression of praise, admiration, or approval; a polite or flattering statement intended to make someone feel good
detectv: to find or recognize something, especially something difficult to see, hear, etc.
chemicaladj: relating to or connected with chemistry;
diagnosev: to determine or distinguish the nature of a problem or an illness through a careful analysis
essentiallyadv: relating to the essential features or concepts of anything
mosquiton: a small flying insect whose female bites people and animals and sucks their blood, and sometimes transmits serious diseases such as malaria
complexityn: the state or quality of being complicated or intricate and difficult to understand
bombardv: to attack a place with bombs or gunshots continuously; to address with continuously or persistently, as if with a barrage
smellyadj: having a strong, unpleasant, or offensive odor, particularly about something decomposing or otherwise spoiled
volatileadj: likely to change rapidly or unexpectedly, or being unstable or explosive
gluen: a sticky substance used for joining things together; a bonding agent made from animal or synthetic materials
annoyingadj: making someone feel slightly angry
attractv: to draw or entice someone or something towards them through the qualities they have, especially positive ones
repellentadj: serving to drive away or repel something; unpleasant or offensive and causing a strong sense of aversion or disgust
clarifyv: to make something, such as a statement or situation, less confusing and more understandable
sophisticatedadj: having a great deal of worldly experience and knowledge of people’s behavior, culture, and fashion
sludgen: a thick, wet mixture of liquid and solid matter, typically one that is unpleasant or harmful
individualn: a single person or thing, as distinct from a group
cyclen: an interval during which a recurring sequence of events occurs; a bicycle or motorcycle
parasiten: an organism that lives on or in another organism and benefits by deriving nutrients at the other’s expense
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
cystn: a sac, cavity, or abnormal growth in the body that is typically filled with fluid or semisolid material; usually benign but can also be cancerous and require treatment
salivan: the clear liquid that is secreted into the mouth by glands in the walls of the mouth and throat, helping to lubricate food during chewing and digestion
glandn: a group of cells in an animal’s body that produce substances needed by the body and release them through ducts or directly into the bloodstream
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)
livern: a large organ in the body, involved in many metabolic processes, such as detoxification of the organism, and the synthesis of proteins
bloodstreamn: the blood flowing through the body
eventuallyadv: finally, particularly after a long time or a lot of struggle, complications, and so on
incrediblyadv: in a way that is very difficult to believe; exceedingly or extremely
manipulatev: to influence or control something or someone to your advantage, often in an unfair or dishonest way
enhancev: to increase or improve the quality, amount, or strength of someone or something
transmissionn: the act or process of sending something from one person or place to another; the process of broadcasting over the airwaves, as in radio or television
onwardadj: moving or continuing forward; progressing
hypothesisn: a proposed idea or explanation that is based on a few known facts but has not yet been proven to be true or accurate
attractiveadj: immensely appealing in look or sound; having characteristics or qualities that make something appealing and valuable
colleaguen: one of a group of a coworker, especially in a profession or a business
experimentn: the scientific test conducted to observe what happens and gain new knowledge
participatev: to take part in something
chambern: a large room used for a formal, public, or particular purpose; one of the parts of a parliament
whatsoeveradv: not at all; no matter what
graphn: a picture consisting of a line, lines, points, etc., that shows how two or more sets of certain quantities are related to each other
representv: to speak, act, or be present on behalf of another person or group; to form or constitute
obviousadj: easy to see, discover or understand
traitn: a particular feature of your nature
disappearv: to cease to exist or be visible
beaconn: a light or other visible object serving as a signal, guide, or warning
wrapv: to cover or enclose something entirely with paper, cloth, or other material
olfactionn: the sense of smell; the ability to detect and perceive odors or scents
concentrationn: the ability to focus all your time and energy on one thing without thinking about anything else.
ration: the relative size or amount of one thing to another, typically expressed in the form of a fraction or decimal
combinationn: a collection of things that have been combined; an assemblage of separate parts or qualities
compositionn: the different parts of something’s elements or ingredients; the way in which the different components are organized; a piece of music written by someone
recipen: a set of instructions for preparing a dish, including the ingredients and the method of cooking
ingredientn: one of the things used to make something, especially one of the foods used to make a particular dish
suiten: a set of rooms designated for a particular purpose or activity, especially a set of rooms in a hotel or private residence used as a living unit; a musical composition of several movements only loosely connected; the group following and attending to some important person
labn: a workplace for the conduct of scientific research; a laboratory
laboratoryn: a workplace for doing scientific research or teaching science; a lab
electroden: either of two points or ends of a conductor at which electricity enters or leaves an object, substance, or region
antennan: an electrical device that sends or receives radio or television signals; (biology) one of one or more pairs of appendages used for sensing in insects
fiddlev: to continuously touch or manipulate something with someone’s hands, mainly when bored or nervous; to act dishonestly to try to get money, information, etc., or gain an advantage
incredibleadj: unbelievable; enormous
definitelyadv: without any question and beyond doubt; clearly
sneezev: to make a sudden, involuntary expulsion of air from the nose and mouth, usually due to irritation caused by the presence of dust, pollen, or other irritants
electricaladj: relating to electricity
receptorn: an organ having nerve endings that respond to stimulation such as heat or cold and makes the body react in a particular way
insectn: any small creature that has six legs and a body divided into three sections
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
crazyadj: stupid or not sensible; very angry
raspberryn: a sweet and tart edible fruit that grows on bushes, usually with a soft red or black color and a rough texture on the outside
weirdadj: extraordinary, unexpected, or difficult to explain
conceptn: an idea or principle associated with something abstract
compoundn: an item composed of two or more distinct elements combined; a chemical formed by the combination of two or more elements
aldehyden: a type of organic chemical compound that features a carbonyl group (a carbon atom double-bonded to an oxygen atom) at the end of a carbon chain, often used in the manufacture of various products, including plastics, solvents and fragrances
sensorn: a device that receives a signal or stimulus such as heat, pressure, light, motion, etc. and responds to it in a specific manner
harnessv: to control and exploit the power of something, especially natural resources that produce energy; (noun) a set of narrow pieces of leather and metal that are used to control or hold in place a person, animal, or object
communaladj: belonging to or used by a group rather than individuals; for common use
lugv: to carry or drag something with effort; to pull something along with a sudden or jerky motion
explosiveadj: easily able or likely to shatter violently or burst apart; sudden and loud
charityn: an organization that helps people in need, especially by providing food, shelter, or money; a kindly and sympathetic attitude toward people
medicaladj: relating to the treatment of illness or injuries; relating to the practice of medicine
detectionn: the act of discovering or identifying the presence of something
nylonn: a synthetic material used for making clothes, ropes, brushes, etc.
dulladj: not interesting or exciting; not bright, vivid, or shiny; not active, brisk, or sharp
calmadj: not excited, angry, or nervous; free from wind, large waves
contraptionn: a machine or device that is made up of a combination of interconnected parts and often appears complicated or unusual
blindadj: unable to see; unable or unwilling to perceive or understand the true nature of something
genuineadj: real and exactly; not pretended; sincerely felt or expressed
fantasticadj: extremely good; excellent
brilliantadj: extremely clever, skilled, or impressive
freezern: a device that keeps food, beverages, or other perishable items at low temperatures to maintain their freshness or preserve them for later use
applausen: a demonstration of approval or praise by clapping the hands together
demonstrationn: a display or show, often of a particular skill or product, intended to convince or persuade others
nervousadj: worried and anxious about something; relating to the nerves
criterian: (plural of criterion) standards or conditions by which something may be judged or decided
organizationn: a group of people who work together for a shared purpose
deployv: to move troops or weapons into a position or military action; to bring into something in an effective way
technologicaladj: based on scientific and industrial progress
empowerv: to give someone the power or authority to do something
patchn: a small piece of material or fabric used to repair or reinforce a tear, hole, or damaged area; a small plot of land used for cultivation or a specific purpose
sweatn: the salty liquid that is produced by the glands in the skin, especially when the body is hot or under stress
smartwatchn: a wearable computing device in the form of a watch
alertv: to warn or arouse to a sense of danger; (adjective) paying close attention or being in a state of readiness for action
digitaladj: processing or storing information as a succession of 1 and 0 to show that a signal is present or missing; relating to the use of computer technology, especially the internet
revolutionn: a large-scale attempt to overthrow the government of a country, often using violence or war;
outbreakn: a sudden start of something, usually a disease or something dangerous or unpleasant
ultimateadj: furthest or highest in degree or order
eradicatev: to get rid of or destroy something completely, especially something bad
ceasev: to stop an action or event
amazev: to fill with wonder, surprise, or admiration