Mawson, C.O.S., ed. (18701938). Rogets International Thesaurus. 1922.
Class VI. Words Relating to the Sentient and Moral Powers Section IV. Moral Affections
3. Moral Conditions
NOUN: IMPROBITY, dishonesty, dishonor; deviation from rectitude; disgrace ( disrepute) [See Disrepute]; fraud ( deception) [See Deception]; lying [See Falsehood]; mouth honor ( flattery) [See Flattery]; bad faith, mala fides [ L.], Punic faith, Punica fides [ L.]; infidelity; faithlessness &c. adj.; Judas kiss, betrayal; perfidy; perfidiousness &c. adj.; treachery, double dealing; unfairness &c. adj.
breach of -promise, - trust, - faith; prodition [ obs.], disloyalty, divided allegiance, hyphenated allegiance [ cant], treason, high treason; apostacy ( tergiversation) [See Tergiversation]; nonobservance [See Nonobservance].
shabbiness &c. adj.; villainy; baseness &c. adj.; abjection, debasement, degradation, turpitude, moral turpitude, laxity, trimming, shuffling.
KNAVERY, roguery, rascality, foul-play; jobbing, jobbery, graft [ colloq.], venality, nepotism; corruption, job, shuffle, fishy transaction; barratry [ law], sharp practice, heads I win tails you lose.
VERB: BE DISHONEST &c. adj.; play false; break ones -word, - faith, - promise; jilt, betray, forswear; shuffle ( lie) [See Falsehood]; play with marked cards, cheat at cards, live by ones wits, sail near the wind.
disgrace -, dishonor -, lower -, demean [ colloq.] -, degrade- oneself; derogate, stoop, grovel, sneak, lose caste; sell oneself, squeal [ slang], go back on [ colloq.], go over to the enemy; seal ones infamy.
ADJECTIVE: DISHONEST, dishonorable; unconscientious, unscrupulous; fraudulent [See Deception]; knavish; disgraceful ( disreputable) [See Penalty]; wicked [See Vice].
false-hearted, disingenuous; unfair, one-sided; double, double-hearted, double-tongued, double-faced; time-serving, crooked, tortuous, insidious, Machiavellian, dark, slippery; fishy [ colloq.], questionable.
INFAMOUS, arrant, foul, base, vile, low, ignominious, blackguard, perfidious, treacherous, perjured; hyphenated [ cant].
contemptible, abject, mean, shabby, little, paltry, dirty, scurvy, scabby, sneaking, groveling, scrubby, rascally, barratrous [ law], pettifogging; corrupt, venal; debased, mongrel; beneath one.
low-minded, low-thoughted, base-minded.
DEROGATORY, degrading, undignified, indign [ obs.], unbecoming, unbeseeming, unbefitting, infra dignitatem [ L.], ungentlemanly, ungentlemanlike; unknightly, unchivaIric, unmanly, unhandsome; recreant, inglorious.
FAITHLESS, of bad faith, false, unfaithful, disloyal; untrustworthy; trustless, trothless [ archaic], lost to shame, dead to honor.
ADVERB: DISHONESTLY &c. adj.; malâ fide [ L.]; like a thief in the night, by crooked paths, by foul means.
INTERJECTION: O tempora! O mores! [Cicero].
QUOTATIONS: Corruptissimâ republicâ plurimæ leges.Tacitus
And seem a saint, when most I play the devil.
Richard III Crooked counsels and dark politics.Pope
Honor is without profitin most countries. Cynics Calendar