| A | B |
| Ameliorate | become better; make better; improve (ant. worsen) |
| Amelioration | improvement |
| Conserve | keep from waste, loss, or decay; save (ant. waste) |
| Conservation | preservation from loss, injury, or waste |
| Conservationist | one who advocates the preservation of natural resources |
| Detriment | injury, damage, or something that causes it; disadvantage (ant. advantage) |
| Detrimental | harmful, damaging |
| Exotic | introduced from another country; foreign (ant. native); strikingly unusual; strange |
| Folly | lack of good sense; foolish action or undertaking (ant. wisdom) |
| Formerly | in an earlier period; previously (ant. now) |
| Former | preceding; previous (ant. latter) |
| Harmony | peaceable or frinedly relations; accord; agreement; tranquillity (ant. conflict; disharmony) |
| Harmonious | friendly; amicable |
| Ignore | refuse to take notice of; disregard (ant. heed) |
| Ignoramus | ignorant, stupid person; dunce |
| Impediment | something that hinders or obstructs; hindrance; obstacle (ant. aid) |
| Impede | interfere with or slow the progress of; hinder; obstruct |
| Indolent | disposed to avoid exertion; lazy; idle; lethargic (ant. industrious) |
| Indolence | idleness; laziness |
| Intact | untouched by anything that damages or diminishes; left complete or entire; uninjured (ant. imperfect) |
| Invalid | not valid; having no force or effect; voic (ant. valid, binding in law) |
| Invalidate | abolish; annul |
| Invalid | sickly or disabled person |
| Noncarcinogenic | not producing, or tending to produce, cancer (ant. carcinogenic) |
| Parsimonious | unduly sparing in the spending of money; stingy (ant. generous) |
| Parsimony | stinginess; parsimoniousness (ant. generosity) |
| Raze | destroy utterly by tearing down; demolish; level to the ground (ant. erect) |
| Reticent | inclined to be silent or secretive; uncommunicative (ant. frank) |
| Reticence | restraint in communicating (ant. frankness) |
| Retire | withdraw from active duty or business; go to bed (ant. rise) |
| Retort | answer; reply sharply or angrily (ant. ask) |
| Retort | quick, witty, or sharp reply; answer |
| Subvert | orverturn or overthrow from the foundation; undermine (ant. uphold) |
| Subversion | sabotage; undermining |
| Tractable | easily led, taught, or controlled; yielding; docile (ant. unruly; intractable) |
| Tractability | obedience |
| Baffle | bewilder; perplex; fill with confusion; puzzle; frustrate |
| Baffling | frustrating; bewildering |
| Cinema | movies; motion picture industry |
| Cinematography | art of making motion pictures |
| Despise | look down on with contempt or disgust; loathe; regard as inferior (ant. admire) |
| Despicable | worthy of contempt; contemptible (ant. laudable) |
| Ebullient | overflowing with enthusiasm; exuberant |
| Ebullience | exuberance |
| Exaggerate | overstate; go beyond the limits of the actual truth (ant. minimize) |
| Exaggeration | overstatement (ant. understatement) |
| Exhort | arouse by words; advise strongly; urge |
| Exhortation | urgent recommendation or advice |
| Expertise | Specialized skill or technical knowledge; know-how; expertness |
| Finicky | excessively concered with trifles or details; hard to please; fussy; particular |
| Gall | make sore; irritate mentally; annoy; vex |
| Gall | brazen boldness; nerve (ant. meekness) |
| Inane | lacking significane or sense; pointless; silly; insipid (ant. deep; profound) |
| Inanity | foolishness; shallowness |
| Indemnify | compensate for loss, damage, or injury; reimburse; repay |
| Occident | west; countries of America and Europe (ant. Orient) |
| Occidental | western (ant. oriental) |
| Peruse | read; look at fairly attentively; study |
| Perusal | reading; study |
| Scuffle | struggle at close quarters in a rough and confused manner; wrestle; grapple |
| Scuffle | brawl; fight |
| Spurn | thrust aside with disdain or contempt; reject (ant. accept) |
| Stipend | fixed pay for services; salary; regular allowance awarded a scholarship winner |
| Surveillance | close watch over a person, group, or area; supervision |
| Tepid | moderately warm; lukewarm |
| Tepidly | unenthusiastically; lukewarmly |
| Wager | risk (something) on the outcome of a contest or uncertain event; gamble; bet |
| Wager | bet |
| Wane | decrease in power or size; dwindle; decline; sink |