- difficult to understand, obscure.Acquiesce - v. - agree passively, assent.Adroit - adj. - skillful.Affirmation - n. - positive assertion, solemn pledge.Aesthetic - adj. - artistic, capable of appreciating beauty.Agglomeration - n. - collection, heap.Ameliorate - v. - improve.Amorphous - adj. - shapeless.Anomalous - adj. - abnormal, irregular.Antithesis - n. - contrast, opposite.Ascendancy - n. - controlling influence, domination.Assiduous - adj./adv. - diligent, hardworking.Audacious - adj. - daring, bold.Astute - adj. - wise, shroud.Malady - n. - sickness, illness.Perceptible - adj. - to be able to be seen.Fissure - n. - opening, crack.Insipid - adj. - bland, no taste.Melancholy - adj. - state of excessive sadness.Desolate - adj. - devoid of inhabitants, lifeless.Grapple - v. - struggle, come to grips.Impecunious - adj. - lacking money, poor.Banal - adj. - trite, common.Corpulent - adj. - fat, overweight.Enigma - n. - puzzle.Belie - v. - contradict, give a false impression.Brazen - adj. - 1. insolent, bold. 2. having a loud sound.Cacophony - adj. - discord, harsh sound.Capricious - adj. - fickle.Contentious - adj. - quarrelsome.Conundrum - n. - riddle.Catalyst - n. - an event which brings about change. Charlatan - n. - quack, pretender.Cursory - adj. - casual, hastily done.Commensurate - adj. - equal, in proportion to.Contentious - adj. - quarrelsome.Culpable - adj. - deserving blame.Daunt - v. - intimidate.Dauntless - adj. - bold.Decimate - v. - kill, destroy.Decorous - adj. - proper.Denigrate - v. - to belittle, defame lessen importance.Depravity - n. - corruption. Digression - n. - wandering away from subject.Didactic - adj. - instructional, teaching.Disparage - v. - belittle. Disparity - n. - difference, inequality. Deter - v. - something that discourages.Deterrent - n. - hindrance, barrier.Deride - v. - scoff at.Divergent - v. - oppose, differing, deviating.Dolorous - adj. - sorrowful.Efficacy - n. - prone to produce an effe...