Akademik

furtive
I adjective backstair, catlike, clandestine, cloaked, concealed, covert, crafty, cunning, deceitful, evasive, feline, furtivus, hangdog, hidden, indirect, insidious, masked, mysterious, private, secret, secretive, shady, shifty, shrouded, sly, sneaking, sneaky, stealthy, subtle, surreptitious, thievish, undercover, underground, underhand, undisclosed, unobtrusive, unrevealed, unseen, veiled II index clandestine, collusive, covert, evasive, fraudulent, insidious, mysterious, oblique (evasive), privy, secret, sly, stealthy, surreptitious

Burton's Legal Thesaurus. . 2006