THESAURUS
betrayal
Judas kiss, abuse, apostasy, babbling, backsliding, bad faith, blabbering, blabbing, bolt, breach of faith, breakaway, communication leak, criminal assault, dead giveaway, debauchment, defection, defilement, defloration, deflowering, dereliction, deserter, desertion, despoilment, disclosure, disloyalty, divulgation, divulgement, divulgence, divulging, double cross, evulgation, faithlessness, giveaway, going over, indiscretion, leak, letting out, obvious clue, perfidy, priapism, rape, ratting, ravage, ravishment, recidivation, recidivism, recreancy, revelation, schism, secession, seducement, seduction, sellout, sexual assault, telltale, telltale sign, traitorousness, treachery, treason, turning traitor, unwitting disclosure, violation, walkout
ROGET THESAURUS
betrayal
Improbity
N
improbity, dishonesty, dishonor, deviation from rectitude, disgrace, fraud, lying, bad faith, Punic faith, mala fides, Punica fides, infidelity, faithlessness, Judas kiss,
betrayal, breach of promise, breach of trust, breach of faith, prodition, disloyalty, treason, high treason, apostasy, nonobservance, shabbiness, villainy, villany, baseness, abjection, debasement, turpitude, moral turpitude, laxity, trimming, shuffling, perfidy, perfidiousness, treachery, double dealing, unfairness, knavery, roguery, rascality, foul play, jobbing, jobbery, graft, bribery, venality, nepotism, corruption, job, shuffle, fishy transaction, barratry, sharp practice, heads I win tails you lose, mouth honor, dishonest, dishonorable, unconscientious, unscrupulous, fraudulent, knavish, disgraceful, wicked, false-hearted, disingenuous, unfair, one-sided, double, double- hearted, double-tongued, double-faced, timeserving, crooked, tortuous, insidious, Machiavelian, dark, slippery, fishy, perfidious, treacherous, perjured, infamous, arrant, foul, base, vile, ignominious, blackguard, contemptible, unrespectable, abject, mean, shabby, little, paltry, dirty, scurvy, scabby, sneaking, groveling, scrubby, rascally, pettifogging, beneath one, low-minded, low-thoughted, base-minded, undignified, indign, unbecoming, unbeseeming, unbefitting, derogatory, degrading, infra dignitatem, beneath one's dignity, ungentlemanly, ungentlemanlike, unknightly, unchivalric, unmanly, unhandsome, recreant, inglorious, corrupt, venal, debased, mongrel, faithless, of bad faith, false, unfaithful, disloyal, untrustworthy, trustless, trothless, lost to shame, dead to honor, barratrous, dishonestly, mala fide, like a thief in the night, by crooked paths, Int, O tempora!, O mores!, corruptissima respublica plurimae leges.