| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | deceitful |
| Synonyms: | clandestine, concealed, crafty, crooked, cunning, deceptive, devious, dirty-dealing, dishonest, dishonorable, double-crossing, duplicitous, fraudulent, furtive, guileful, hush-hush, indirect, insidious, oblique, on the QT, on the quiet, secret, secretive, shady, shifty, slippery*, sly*, sneaking, sneaky, stealthy, sub-rosa, surreptitious, treacherous, tricky, two-faced, two-timing, under wraps, undercover, underhanded, unethical, unfair, unjust, unscrupulous, wily |
| Antonyms: | aboveboard, forthright, frank, honest |
| Main Entry: | covert |
| Part of Speech: | adjective |
| Definition: | clandestine, underhanded |
| Synonyms: | QT, buried, camouflaged, cloaked, concealed, disguised, dissembled, furtive, hidden, hush-hush, incog, incognito, masked, obscured, private, privy, secret, shrouded, stealthy, sub rosa, surreptitious, ulterior, under wraps, under-the-table, undercover, underhand, unsuspected, veiled |
| Notes: | covert (concealed, covered, hidden) is the opposite of overt (apparent, open to view, plain, public) |
| Antonyms: | aboveboard, candid, frank, honest, open, overt, public, unconcealed |
| 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: | deceitful |
| 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: | 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: | foul |
| Part of Speech: | adjective |
| Definition: | corrupt, dishonest |
| Synonyms: | caitiff, crooked, dirty, fraudulent, inequitable, monstrous, shady, underhand, underhanded, unfair, unjust, unscrupulous, vicious |
| Antonyms: | fair, good, honest, incorrupt, just |
| Main Entry: | furtive |
| Part of Speech: | adjective |
| Definition: | sneaky, secretive |
| Synonyms: | artful, calculating, cautious, circumspect, clandestine, cloaked, conspiratorial, covert, crafty*, creepy*, cunning, disguised, elusive, evasive, foxy, guileful, hidden, hush-hush, insidious, masked, scheming, shifty, skulking, slinking, sly, stealthy, sub-rosa, surreptitious, tricky*, under wraps, under-the-table, undercover, underhand, underhanded, wily |
| Antonyms: | aboveboard, forthright, honest, open, truthful |
| Main Entry: | indirect |
| Part of Speech: | adjective |
| Definition: | roundabout; unintended |
| Synonyms: | ambiguous, ancillary, circuitous, circular, circumlocutory, collateral, complicated, contingent, crooked, devious, discursive, duplicitous, erratic, eventual, implied, incidental, long, long way home, long-drawn-out, long-winded, meandering, oblique, obscure, out-of-the-way, periphrastic, rambling, secondary, serpentine, sidelong, sinister, sinuous, snaking, sneaking, sneaky, subsidiary, tortuous, twisting, underhand, vagrant, wandering, winding, zigzag |
| Antonyms: | direct, straight, straightforward |
| Main Entry: | roguish |
| Part of Speech: | adjective |
| Definition: | deceitful; mischievous |
| Synonyms: | beguiling, crafty, crooked, cunning, deceiving, deceptive, devilish, dishonest, fraudulent, impish, knavish, lying, naughty, playful, puckish, rascally, shifty, slick, sly, sneaky, tricky, underhand, underhanded, unprincipled, untruthful |