Marked by skill in deception:
— Sly as a fox.

synonyms: crafty, cunning, dodgy, foxy, guileful, knavish, slick, tricksy, tricky, wily.

Roget 528: concealed etc. v.; hidden; secret, recondite, mystic, cabalistic, occult, dark; cryptic, cryptical^†; private, privy, in petto, auricular, clandestine, close, inviolate; tortuous.    behind a screen etc. 530; undercover, under an eclipse; in ambush, in hiding, in disguise; in a cloud, in a fog, in a mist, in a haze, in a dark corner; in the shade, in the dark; clouded, wrapped in clouds, wrapt in clouds^†; invisible etc. 447; buried, underground, perdu [Fr.]; secluded etc. 893.    undisclosed etc. 529, untold etc. 527; covert etc. (latent) 526; untraceable; mysterious etc. (unintelligible) 519.    irrevealable^†, inviolable; confidential; esoteric; not to be spoken of; unmentionable.    obreptitious^†, furtive, stealthy, feline; skulking etc. v.; surreptitious, underhand, hole and corner; sly etc. (cunning) 702; secretive, evasive; reserved, reticent, uncommunicative, buttoned up; close, close as wax; taciturn etc. 585.    ... show more

Roget 702: cunning, crafty, artful; skillful etc. 698; subtle, feline, vulpine; cunning as a fox, cunning as a serpent; deep, deep laid; profound; designing, contriving; intriguing etc. v.; strategic, diplomatic, politic, Machiavelian, timeserving^†; artificial; tricky, tricksy^†; wily, sly, slim, insidious, stealthy; underhand etc. (hidden) 528; subdolous^†; deceitful etc. 545; slippery as an eel, evasive etc. 623; crooked; arch, pawky^†, shrewd, acute; sharp, sharp as a tack, sharp as a needle^†; canny, astute, leery, knowing, up to snuff, too clever by half, not to be caught with chaff.    tactful, diplomatic, politic; polite etc. 894.    ... show more

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