| disreputable(adjective, bad, wrong, false, dishonest) |
| dissembled(secret, hidden, clandestine, underground, undisclosed) |
| double-crossing(adjective, bad, wrong, false, corrupt) |
| erratic(adjective, unpredictable, fickle, variable, ambiguous) |
| eventual(ambiguous, rambling, incidental, circuitous, tortuous) |
| fallacious(false, misleading, illusory) |
| farsighted(sharp, smart, intelligent, clever, astute) |
| fly-by-night(adjective, bad, wrong, false, dishonest) |
| furtively |
| hangdog |
| heady(sharp, smart, intelligent, clever, astute) |
| hole-and-corner(secret, private, hidden, spy, sneaky) |
| hole and corner(expression, idiom, concealment) |
| hush-hush(adjective, deceitful, secret, hidden, clandestine) |
| ill-gotten |
| illegal(adjective, wrong, evil, corrupt, dishonest) |
| illicit(adjective, hidden, fraudulent) |
| illusory(mean, smooth, false, cunning, knowing) |
| implied(ambiguous, rambling, incidental, circuitous, tortuous) |
| in secret(expression, idiom) |