Akademik

stealthy
I adjective arcane, artful, catlike, clandestine, dandestinus, cloaked, concealed, covert, crafty, elusive, evasive, feline, furtive, furtivus, hidden, masked, obreptitious, obscure, occultus, privy, prowling, secret, secretive, shrouded, silent, skulking, sly, sneaking, sneaky, stealthful, surreptitious, thievish, undercover, underhand, undisclosed, unrevealed, unseen, veiled II index artful, clandestine, covert, evasive, furtive, insidious, machiavellian, mysterious, privy, sly, subtle (insidious), surreptitious

Burton's Legal Thesaurus. . 2006