deceitful

1 marked by, based on, or done by the use of dishonest methods to acquire something of value charged the store owner with such deceitful practices as inflating the list prices for items only so he could put them on sale at drastically reduced prices Synonyms crooked, fraudulent, defrauding, dishonest, double-dealing, falseRelated Words beguiling, deceiving, deceptive, deluding, delusive, delusory, duplicitous, fallacious, misleading, specious; spuriousNear Antonyms legitimate, true, validAntonyms aboveboard, honest, truthful

2 tending or having power to deceive the deceitful salesman neglected to mention some important information about the used car Synonyms beguiling, deceptive, deceiving, deluding, delusive, delusory, fallacious, false, misleading, speciousRelated Words artful, crafty, cunning, devious, foxy, guileful, shady, shifty, slick, sly, sneaking, sneaky, subtile, subtle, trick, trickish, tricky, underhand, underhanded, wily; inaccurate, incorrect, wrong; bewildering, confounding, distracting, perplexing, puzzling; ambidextrous, crooked, defrauding, dishonest, dissembling, double-dealing, duplicitous, faithless, fast, fraudulent, knavish, lying, mendacious, untrustworthy, untruthful; bogus, counterfeit, fake, feigned, forged, jive [slang], phony (also phoney), sham, spurious; insidious, perfidious, treacherous; ambiguous, circuitous, equivocal, evasive; artificial, backhanded, hypocritical, insincere, left-handed, two-facedNear Antonyms candid, direct, foursquare, frank, free-spoken, open, openhearted, outspoken, plain, plainspoken, straight; clarifying, elucidative, explanatory, illuminating; revealing, revelatory; honest, trustworthy, truthfulAntonyms aboveboard, forthright, nondeceptive, straightforward