Vocab 101-200

Efficacy

Ability to produce a desired result

Elated

Extremely happy

Eloquent

Fluent and persuasive in expression

Elucidate

To make clear

Elusive

Difficult to find or understand

Empirical

Based on observation or experiment

Emulate

To imitate in order to equal or surpass

Encompass

To include or cover

Endorse

To approve or support

Enduring

Lasting over time

Enervate

To weaken or drain energy

Engender

To cause or bring about

Enhance

To improve or increase

Enigmatic

Mysterious; difficult to interpret

Entail

To involve as a necessary consequence

Ephemeral

Lasting a very short time

Equitable

Fair and impartial

Equivocal

Ambiguous; open to multiple interpretations

Eradicate

To eliminate completely

Erudite

Highly knowledgeable

Esoteric

Understood by only a small group

Espouse

To adopt or support a belief

Evasive

Avoiding a direct answer

Exacerbate

To make worse

Exalt

To praise or elevate

Exemplary

Serving as an excellent example

Exonerate

To clear from blame

Expedite

To speed up a process

Explicit

Clearly stated

Exploit

To use for advantage; sometimes unfairly

Exponential

Increasing at an increasingly rapid rate

Extol

To praise highly

Extrapolate

To infer beyond known data

Facilitate

To make easier

Fallacious

Based on faulty reasoning

Fastidious

Very attentive to detail

Feasible

Possible and practical

Fervent

Passionate and intense

Flagrant

Shockingly obvious or offensive

Fluctuate

To rise and fall irregularly

Foment

To stir up trouble or unrest

Formidable

Inspiring fear or respect; difficult to overcome

Fortuitous

Happening by chance, often fortunately

Frivolous

Trivial; lacking seriousness

Futile

Incapable of producing a useful result

Galvanize

To spur into action

Garrulous

Excessively talkative

Gregarious

Sociable; enjoying company

Guile

Cunning or deceit

Hackneyed

Overused and unoriginal

Haphazard

Lacking planning or order

Haughty

Arrogantly superior

Hypothetical

Based on a proposed possibility

Impartial

Fair; unbiased

Impeccable

Flawless

Impede

To obstruct or slow down

Impending

About to happen

Imperative

Absolutely necessary

Impervious

Not affected or penetrated

Implicit

Suggested rather than directly stated

Impoverished

Poor; lacking resources

Imprudent

Unwise; lacking judgment

Inadvertent

Unintentional

Incisive

Clear, sharp, and analytical

Incongruous

Inconsistent or out of place

Incontrovertible

Impossible to dispute

Indifferent

Uninterested or unconcerned

Indignant

Angry at unfair treatment

Indispensable

Absolutely necessary

Ineffable

Too great to be expressed in words

Inert

Inactive; lacking movement

Inevitable

Certain to happen

Ingenious

Clever and inventive

Inherent

Existing as a natural part

Inhibit

To restrain or prevent

Innate

Inborn; natural

Innovative

Introducing new ideas or methods

Insatiable

Impossible to satisfy

Insidious

Gradually harmful in a subtle way

Insipid

Dull; lacking flavor or interest

Insolent

Rude and disrespectful

Instigate

To initiate or provoke

Insular

Narrow-minded or isolated

Intangible

Not physically touchable

Integral

Essential to completeness

Intermittent

Occurring at irregular intervals

Intransigent

Unwilling to compromise

Intrepid

Fearless and adventurous

Intricate

Complicated and detailed

Intrinsic

Belonging naturally to something

Inundate

To overwhelm with a large amount

Invalidate

To make invalid or ineffective

Inveterate

Long-established; habitual

Irrefutable

Impossible to disprove

Judicious

Showing good judgment

Juxtapose

To place side by side for comparison

Lament

To express grief or regret

Laud

To praise

Lethargic

Sluggish; lacking energy

Lucid

Clear and easy to understand