| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | deceitful, sly |
| Synonyms: | artful, calculating, conniving, crafty, cunning, designing, duplicitous, foxy, slippery, tricky, underhand, wily |
| Antonyms: | aboveboard, honest, open |
| Main Entry: | sharp |
| Part of Speech: | adjective |
| Definition: | dishonest, deceitful |
| Synonyms: | artful, bent, crafty, cunning, designing, ornery, salty, shady, shrewd, slick, slippery, sly, smart, snaky, two-faced, underhand, unethical, unscrupulous, wily |
| Antonyms: | aboveboard, forthright, frank, honest |
| Main Entry: | shifty |
| Part of Speech: | adjective |
| Definition: | deceitful, untrustworthy |
| Synonyms: | cagey, collusive, conniving, contriving, crafty, crooked, cunning, devious, dishonest, dodging, duplicitous, elusive, equivocating, evasive, fly-by-night, foxy, fraudulent, furtive, insidious, lying, mendacious, prevaricative, prevaricatory, roguish, scheming, shady, shrewd, shuffling, slick, slimy*, slippery, sly, sneaky, treacherous, tricky, underhand, unhonest, unprincipled, untruthful, wily |
| Antonyms: | forthright, frank, honest, trustworthy |
| Main Entry: | shrewd |
| Part of Speech: | adjective |
| Definition: | clever, intelligent |
| Synonyms: | acute, argute, artful, astucious, astute, brainy, cagey, calculating, canny, crafty, cunning, cutting*, deep*, discerning, discriminating, farsighted, foxy*, heady, in the know, ingenious, inside, judicious, keen, knowing, on the inside, on top of, penetrating, perceptive, perspicacious, piercing, probing, profound, prudent, quick-witted, sagacious, savvy*, sensible, shark, sharp, slick*, slippery*, sly, smart, smooth, streetwise, tricky, underhand, up on, wily, wise, wised up |
| Antonyms: | foolish, frivolous, naive, stupid, unthinking |
| Main Entry: | sly |
| Part of Speech: | adjective |
| Definition: | clever, devious |
| Synonyms: | arch, artful, astute, bluffing, cagey, calculating, canny, captious, conniving, covert, crafty, crooked, cunning, deceitful, deceptive, delusive, designing, dishonest, dishonorable, dissembling, double-dealing, elusive, foxy, furtive, guileful, illusory, impish, ingenious, insidious, intriguing, mean, mischievous, plotting, roguish, scheming, secret, sharp, shifty, shrewd, slick, smart, smooth, sneaking, stealthy, subtle, traitorous, treacherous, tricky, underhand, unscrupulous, wily |
| Antonyms: | honest, open, simple, straight, straightforward, unclever |
| Main Entry: | stealthy |
| Part of Speech: | adjective |
| Definition: | quiet and secretive |
| Synonyms: | catlike, catty, clandestine, covert, crafty, cunning, enigmatic, feline, furtive, hush-hush, noiseless, private, secret, shifty, silent, skulking, slinking, sly, sneak, sneaking, sneaky, sub-rosa, surreptitious, under wraps, undercover, underhand, wily |
| Antonyms: | open, public |
| Main Entry: | street smart |
| Part of Speech: | adjective |
| Definition: | shrewd |
| Synonyms: | artful, astute, cagey, calculating, canny, clever, crafty, cunning, experienced, foxy*, ingenious, intelligent, perceptive, quick-witted, savvy*, seasoned, sharp, slick*, sly, smart, smooth, streetwise, wily, wise |
| Main Entry: | subtle |
| Part of Speech: | adjective |
| Definition: | clever, cunning |
| Synonyms: | analytic, analytical, artful, astute, complex, crafty, deep, designing, detailed, devious, dexterous, exacting, foxy, guileful, insidious, intriguing, keen, penetrating, perceptive, precise, ratiocinative, scheming, shrewd, skillful, sly, wily |
| Antonyms: | forthright, honest, open |
| Main Entry: | tricky |
| Part of Speech: | adjective |
| Definition: | deceptive, sly |
| Synonyms: | artful, astute, cagey, catchy, clever, crafty, cunning, deceitful, deep, delusive, delusory, devious, dishonest, foxy, greasy, guileful, insidious, intelligent, keen, misleading, scheming, shady, sharp, shifty, shrewd, slick*, slippery*, smooth, streetwise, subtle, treacherous, wily, witted, wry |
| Antonyms: | aboveboard, frank, honest |