adjective
characterized by sly unobtrusive craft or deceit
ready to use the most underhand methods to gain his ends
Synonyms: devious, duplicitous, guileful, indirect, shifty, sneaking, sneaky, underhanded; compare secret 1, sly 2
Related Word: deceitful, dishonest; crooked, oblique; crafty, cunning, insidious, sly, tricky, wily; furtive, hangdog
Contrasted words: candid, frank, open, plain; forthright, straightforward
Antonyms: aboveboard