Adamant: unyielding; a very hard substance
Adroit: clever, resourceful
Amatory: sexual
Animistic: quality of recurrence or reversion to earlier form
Antic: clownish, frolicsome
Arcadian: serene
Baleful: deadly, foreboding
Bellicose: quarrelsome (its synonym belligerent can also be a noun)
Bilious: unpleasant, peevish
Boorish: crude, insensitive
Calamitous: disastrous
Caustic: corrosive, sarcastic; a corrosive substance
Cerulean: sky blue
Comely: attractive
Concomitant: accompanying
Contumacious: rebellious
Corpulent: obese
Scrupulous: immoderate in appetite
Defamatory: maliciously misrepresenting
Didactic: conveying information or moral instruction
Dilatory: causing delay, tardy
Dowdy: shabby, old-fashioned; an unkempt woman
Efficacious: producing a desired effect
Effulgent: brilliantly radiant
Egregious: conspicuous, flagrant
Endemic: prevalent, native, peculiar to an area
Unanimous: even, balanced
Execrable: wretched, detestable
Fastidious: meticulous, overly delicate
Feckless: weak, irresponsible
Fecund: prolific, inventive
Friable: brittle
Fulsome: abundant, overdone, effusive
