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 (49 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 (10 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
ethic	n: a set of moral or philosophical principles or values that guide the behavior or actions of an individual, group, or society; the study or inquiry into the nature of morality and moral systems
hedge	n: a fence formed by a line of bushes or shrubs; (verb) limit or avoid something such as duties, issues, and questions by conditions or exceptions
ravine	n: a deep, narrow gorge or valley with steep sides, often carved by the flow of water or a landslide
tower	n: a structure that is exceptionally high in proportion to its width and either forms part of a building or stands alone
artifact	n: a person-made object, especially one of historical or cultural interest
fuel	n: a substance that is typically burned to generate heat or energy
gauge	n: an instrument for measuring and displaying the amount, level, or contents of something; (verb) to judge tentatively or form an estimate of something
fortunate	adj: having good luck or lucky
stack	n: a pile of something arranged or laid one on top of another; a large tall chimney through which combustion gases and smoke can be evacuated
component	n: one of several parts that combines with others to form something bigger
invention	n: the creation of a new device or process resulting from study and experimentation; the act of inventing
hover	v: to stay in one place in the air
activate	v: make something start working, more active or dynamic
pile	n: a collection of objects positioned one on top of another; a large sum of something, such as money
assemble	v: to collect in one place as a single group
span	n: the entire length of something, such as time or space from beginning to end; the amount of space that something covers
stable	adj: firm and steady; not easily moved, disturbed, or changed
palindrome	n: a word, phrase, or sequence of characters that reads the same backward as forward, such as “racecar” or “level”; (of medicine and genetics) a sequence of DNA or RNA that is the same when read from 5′ (five prime, denoting ends of DNA or RNA) to 3′ on one strand and from 5′ to 3′ on the complementary strand
sequence	n: a series of related events, actions, numbers, etc., which have a particular order
backward	adv: at, to, or toward the direction or place that is behind or rear
random	adj: made, done, or happening without method, conscious decision, or any regular pattern
configuration	n: the arrangement or pattern of something or a group of related things
collapse	v: to fall down or give way suddenly, often after breaking apart
nestle	v: to settle comfortably or cozily into a place
suppose	v: to think that something is likely to be actual or possible
nowhere	adv: not in, at, or to any place; not anywhere
energize	v: to give energy or vitality to someone or something; to invigorate
instruction	n: detailed direction, order, etc., on how to do or use something
efficiently	adv: in a way that produces maximum output with minimum effort or expense
pause	v: to take a short break from talking or doing something before continuing
rev	n: a measure of the rate at which an engine or motor rotates, often expressed in revolutions per minute (RPM); (verb) to increase the number of rotations per minute
naive	adj: showing unaffected simplicity and lack of experience, wisdom, or judgment
brute	n: a violent, wild, or feral animal; a person who is cruel, uncivilized, or lacking in intelligence or sensitivity; a physical force or power
optimize	v: to make the best or most effective use of something
analyze	v: to think about in-depth and evaluate to discover essential features or meaning
arrangement	n: a plan or preparation for the future event; the action or process of placing things in a particular order
tremendous	adj: very great in degree or extent or amount or impact; extremely good
combination	n: a collection of things that have been combined; an assemblage of separate parts or qualities
exhaust	n: the system in a vehicle that removes waste gases from the engine; (verb) to make someone completely tired
function	n: the purpose or use of an object, system, or process; a particular activity or operation that is designed to serve a specific purpose; a mathematical concept that describes a relationship between two sets of values, called the input and output sets; (verb) to operate or work in a specific way, or to perform a particular task or purpose
intuitive	adj: obtained through feelings rather than facts or proof
tack	n: a method of changing the course of a sailing vessel by turning the bow through the wind so that the wind switches from one side of the vessel to the other; a course of action or strategy, particularly in politics or business; (verb) to fasten or attach something, such as pinning or nailing an object in place
insight	n: the ability to gain an accurate and deep understanding of people or situations; an accurate and deep understanding of what something is like
odd	adj: strange or unexpected; not divisible by two
dictionary	n: a reference book containing an alphabetical list of words and their definitions, as well as information about their origins, usage, and pronunciation
loop	n: a shape like a curve or a circle made by something long and thin, such as a piece of string, that bends round and crosses itself
linear	adj: of, relating to, or consisting of lines or length; able to be expressed as a straight line, especially on a graph
proportion	n: a part, share, or amount of something considered in comparative relation to a whole
individually	adv: separately or apart from others