knavish

• POS: Adjective
• HYPHEN: knav=ish

CIDE DICTIONARY

knavish, a. 

•  Like or characteristic of a knave{3}; given to knavery; trickish; fraudulent; dishonest; villainous; as, a knavish fellow, or a knavish trick.  Macaulay.  [1913 Webster]
•  Mischievous; roguish; waggish; rascally.  [1913 Webster]

  "Cupid is knavish lad,
  Thus to make poor females mad."  [1913 Webster]

THESAURUS

knavish

abominable, arch, arrant, atrocious, bad, base, black, blackguardly, blamable, blameworthy, criminal, damnable, dark, deceitful, degraded, devilish, disgraceful, elfish, elvish, evil, execrable, flagitious, flagrant, foolish, foul, full of mischief, heinous, high-spirited, impish, improper, infamous, iniquitous, low, lying, mendacious, mischief-loving, mischievous, monstrous, naughty, nefarious, notorious, peccant, playful, prankish, pranksome, pranky, puckish, rank, rascally, recreant, reprehensible, reprobate, roguish, scampish, scandalous, scapegrace, scoundrelly, shameful, shifty, sinful, sportive, trickish, tricksy, unforgivable, unpardonable, unspeakable, untruthful, unworthy, vicious, vile, villainous, waggish, wicked, wrong

ROGET THESAURUS

knavish

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.