100 words every high school student should know

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abjure

to renounce, repudiate under oath; to avoid, shun

abrogate

revoke formally

abstemious

sparing in consumption of especially food and drink

acumen

shrewdness shown by keen insight

antebellum

belonging to a period before a war especially the American Civil War

auspicious

attended by favorable circumstances

belie

to contradict, to give a false impression

bellicose

having or showing a ready disposition to fight

bowdlerize

remove or change parts considered vulgar or immoral

chicanery

the use of tricks to deceive someone (usually to extract money from them)

chromosome

threadlike structure within the nucleus containing the genetic information that is passed from one generation of cells to the next

churlish

(adj.) lacking politeness or good manners; lacking sensitivity; difficult to work with or deal with; rude

circumlocution

an indirect way of expressing something

circumnavigate

travel around, either by plane or ship

decidious

a tree that sheds and regrows its leaves in response to seasonal changes, like ginkgo

deleterious

harmful to living things

diffident

lacking self-confidence

enervate

to weaken or lessen the mental, moral, or physical vigor of; enfeeble, hamstring

enfranchise

grant freedom to

epiphany

a revelation; sudden knowledge or insight

equinox

either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length

euro

the basic monetary unit of most members of the European Union (introduced in 1999)

evanescent

vanishing, soon passing away; light and airy

expurgate

To remove objectionable passages or words from a written text; to cleanse, purify

facetious

cleverly amusing in tone

fatuous

complacently or inanely foolish

feckless

generally incompetent and ineffectual

fiduciary

a person who holds assets in trust for a beneficiary

filibuster

a legislator who gives long speeches in an effort to delay or obstruct legislation that he (or she) opposes

gamete

a mature sexual reproductive cell having a single set of unpaired chromosomes

gauche

lacking social polish

gerrymander

an act of gerrymandering (dividing a voting area so as to give your own party an unfair advantage)

hegemony

the consistent dominance of one state or ideology over others

hemoglobin

a hemoprotein composed of globin and heme that gives red blood cells their characteristic color

homogenous

all of the same or similar kind or nature

hubris

overbearing pride or presumption

hypotenuse

the side of a right triangle opposite the right angle

impeach

bring an accusation against

incognito

without revealing one's identity

incontrovertible

impossible to deny or disprove

inculate

to impress on the mind by repetition, teach persistently and earnestly

infrastructure

the basic, underlying framework or features of a system or organization.

interpolate

insert words into texts, often falsifying it thereby

irony

incongruity between what might be expected and what actually occurs

jejune

lacking interest or significance

kinetic

relating to the motion of material bodies and the forces associated therewith

kowtow

a former Chinese custom of touching the ground with the forehead as a sign of respect or submission

laissez faire

the doctrine that government should not interfere in commercial affairs

lexicon

a language user's knowledge of words

loquacious

full of trivial conversation

lugubrious

excessively mournful

metamorphosis

a striking change in appearance or character or circumstances

mitosis

cell division in which the nucleus divides into nuclei containing the same number of chromosomes

moiety

one of two (approximately) equal parts

nanotechnology

the branch of engineering that deals with things smaller than 100 nanometers (especially with the manipulation of individual molecules)

nihilism

complete denial of all established authority and institutions

nomenclature

a system of words used in a particular discipline

nonsectarian

not restricted to one sect or school or party

notarize

authenticate as a notary

obsequious

attempting to win favor from influential people by flattery

oligarchy

a political system governed by a few people

omnipotent

having unlimited power

orthography

a method of representing the sounds of a language by written or printed symbols

oxidize

enter into a combination with oxygen or become converted into an oxide

parabola

a plane curve formed by the intersection of a right circular cone and a plane parallel to an element of the curve

paradigm

a standard or typical example

parameter

a quantity (such as the mean or variance) that characterizes a statistical population and that can be estimated by calculations from sample data

pecuniary

relating to or involving money

photosynthesis

process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches

plagiarize

take without referencing from someone else's writing or speech

plasma

colorless watery fluid of blood and lymph containing no cells and in which erythrocytes and leukocytes and platelets are suspended

polymer

a naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomers

preciptious

extremely or impassably steep

quasar

a starlike object that may send out radio waves and other forms of energy

quotidian

found in the ordinary course of events

recapitulate

summarize briefly

reciprocal

concerning each of two or more persons or things

reparation

compensation (given or received) for an insult or injury

respiration

the bodily process of inhalation and exhalation

sanguine

confidently optimistic and cheerful

soliloquy

a (usually long) dramatic speech intended to give the illusion of unspoken reflections

subjugate

put down by force or intimidation

suffragist

an advocate of the extension of voting rights (especially to women)

supercillious

looking down on others; proud and scornful

tautology

useless repetition

taxonomy

practice of classifying plants and animals according to their presumed natural relationships

tectonic

pertaining to the structure or movement of the earth's crust

tempestuous

(of the elements) as if showing violent anger

thermodynamics

the branch of physics concerned with the conversion of different forms of energy

totalitarian

characterized by a government in which the political authority exercises absolute and centralized control

unctuous

unpleasantly and excessively suave or ingratiating in manner or speech

usurp

seize and take control without authority and possibly with force

vacuous

devoid of significance or point

vehement

marked by extreme intensity of emotions or convictions

vortex

a powerful circular current of water (usually the resulting of conflicting tides)

winnow

treat by exposure to a current of air so that waste matter is eliminated

wrought

shaped to fit by or as if by altering the contours of a pliable mass (as by work or effort)

xenophobe

person afraid of foreigners

yeoman

in former times was free and cultivated his own land

ziggurat

a rectangular tiered temple or terraced mound erected by the ancient Assyrians and Babylonians

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