arduous -hard

astute-foolish

blatant<->obvious

covert-erred

cull -store

decorum-dishonesty

enhance

deterrent-limit

exonerate

inexorable-exhausting

acquiesce-refuse

cogent<->smart

perfunctory<->tardy

rationalize our income

usurp authority is an boss

nemesis-impressive achievement

sordid~honorable

inundate<-> overwhelm