artifice, belie, besmirch, blatant, cahoot, clandestine, collusion, conceal, concealed, confidential, deceptive, disingenuous, eavesdrop, evasive, fabricate, falsify, fraudulent, furtive, glib, guile, hypocrisy, ignominious, infiltrate, Machiavellian, malinger, mendacious, misinformation, perfidious, plagiarism, prevaricate, purport, surreptitious