| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | dishonest, insincere |
| Synonyms: | artful, astucious, astute, beguiling, clandestine, counterfeit, crafty, cunning, deceiving, deceptive, delusive, delusory, designing, disingenuous, double-dealing, duplicitous, fallacious, false, feline, foxy, fraudulent, furtive, guileful, hypocritical, illusory, impostrous, indirect, insidious, knavish, lying, mendacious, misleading, rascal, roguish, shifty, slick, sly, sneaky, stealthy, subtle, treacherous, tricky, two-faced, underhand, underhanded, untrustworthy, untruthful, wily |
| Notes: | deceitful means intended to deceive or cheat while deceptive means causing one to believe what is not true or likely to mislead someone |
| Antonyms: | faithful, frank, honest, loyal, open, sincere, trustworthy, truthful, upright |
| Main Entry: | crooked |
| Part of Speech: | adjective |
| Definition: | evil, corrupt |
| Synonyms: | crafty, criminal, deceitful, devious, dishonest, dishonorable, double-dealing, dubious, fraudulent, illegal, indirect, iniquitous, lying, nefarious, questionable, ruthless, shady, shifty, suborned, treacherous, underhand, unlawful, unprincipled, unscrupulous, untruthful |
| Antonyms: | good, honest, law-abiding, lawful, moral |
| Main Entry: | deceptive |
| Part of Speech: | adjective |
| Definition: | dishonest |
| Synonyms: | ambiguous, astucious, beguiling, bum*, catchy, crafty, cunning, deceitful, deceiving, deluding, delusive, delusory, designing, disingenuous, fake, fallacious, false, fishy, foxy, fraudulent, illusory, imposturous, indirect, insidious, lying, misleading, mock, oblique, off*, phony, plausible, rascal, roguish, scheming, seeming, serpentine, shifty, slick, slippery, sly, sneaky, snide, specious, spurious, subtle, treacherous, tricky, two-faced, underhand, underhanded, unreliable, wily |
| Notes: | deceitful means intended to deceive or cheat while deceptive means causing one to believe what is not true or likely to mislead someone |
| Antonyms: | forthright, frank, honest, open, truthful, upright |
| Main Entry: | designing |
| Part of Speech: | adjective |
| Definition: | plotting, crafty |
| Synonyms: | Machiavellian, artful, astute, conniving, conspiring, crooked, cunning, deceitful, devious, heedful, intriguing, observant, scheming, sharp, shrewd, sly, treacherous, tricky, unscrupulous, wily |
| Antonyms: | aboveboard, artless, honest, not clever, unplanned |
| Main Entry: | devious |
| Part of Speech: | adjective |
| Definition: | dishonest, crafty |
| Synonyms: | artful, calculating, crooked, deceitful, double-dealing, duplicitous, errant, erring, evasive, faking one out, fishy, foxy*, fraudulent, guileful, indirect, insidious, insincere, not straightforward, oblique, obliquitous, playing games, playing politics, put on, roundabout, scheming, shady, shifty, shrewd, sly, sneaking, sneaky, surreptitious, treacherous, tricky, underhanded, wily |
| Antonyms: | artless, frank, honest, open, straightforward, trustworthy, truthful |
| Main Entry: | dirty |
| Part of Speech: | adjective |
| Definition: | dishonest |
| Synonyms: | below the belt, cheating, corrupt, crooked, deceitful, double-dealing, foul, shabby, shady, shifty, sleazy, sneaky, sordid, underhanded, unethical, unscrupulous, untruthful |
| Antonyms: | clean, nice |
| Main Entry: | dishonest |
| Part of Speech: | adjective |
| Definition: | lying, untruthful |
| Synonyms: | backbiting, bent, bluffing, cheating, corrupt, crafty, crooked, cunning, deceitful, deceiving, deceptive, designing, disreputable, double-crossing, double-dealing, elusive, false, fraudulent, guileful, hoodwinking, mendacious, misleading, perfidious, recreant, shady, shifty, sinister, slippery*, sneaking, sneaky, swindling, traitorous, treacherous, tricky, two-faced, two-timing, unctuous, underhanded, unfair, unprincipled, unscrupulous, untrustworthy, villainous, wily |
| Antonyms: | aboveboard, ethical, fair, frank, honest, moral, open, principled, scrupulous, trustworthy, truthful |
| Main Entry: | dishonorable |
| Part of Speech: | adjective |
| Definition: | shameful, corrupt |
| Synonyms: | base, blackguardly, contemptible, crooked, deceitful, despicable, devious, discreditable, disgraceful, disreputable, fraudulent, ignoble, ignominious, infamous, inglorious, low, miscreant, offensive, opprobious, putrid, scandalous, shabby, shady, treacherous, unprincipled, unrespectable, unscrupulous, untrustworthy |
| Antonyms: | blameless, ethical, honorable, principled, respectable, trustworthy, uncorrupt, worthy |
| Main Entry: | disingenuous |
| Part of Speech: | adjective |
| Definition: | insincere |
| Synonyms: | artful, crooked, cunning, deceitful, designing, dishonest, duplicitous, false, feigned, foxy, guileful, indirect, insidious, mendacious, oblique, shifty, sly, tricky, two-faced, uncandid, underhanded, unfair, unfrank, wily |
| Notes: | ingenuous means 'naïve, easily deceived, unsuspecting; foolish' - and disingenuous means 'calculating, deceptive' |
| Antonyms: | frank, honest, ingenuous, naive, sincere |