| artificial(behavior, theatrical, histrionic, overemotional) |
| backdoor(obscure, unknown, clandestine, underground, undisclosed) |
| backstairs(clandestine, underground, undisclosed) |
| behavior(exaggerated, theatrical, histrionic, overemotional) |
| blood-and-thunder(behavior, exaggerated, theatrical, histrionic, overemotional) |
| camouflaged(obscure, unknown, clandestine, underground, undisclosed) |
| classified(obscure, secret, unknown, clandestine, underground) |
| cliff-hanging(behavior, exaggerated, theatrical, histrionic, overemotional) |
| cloak and dagger(expression, idiom, hidden, fraudulent) |
| close(obscure, unknown, clandestine, underground, undisclosed) |
| clouded(obscure, unknown, clandestine, underground, undisclosed) |
| concealed(hidden, fraudulent) |
| confidential(secret, clandestine, underground, undisclosed, top-secret) |
| conspiratorial(obscure, unknown, clandestine, underground, undisclosed) |
| covered(obscure, unknown, clandestine, underground, undisclosed) |
| cryptic(obscure, unknown, clandestine, underground, undisclosed) |
| deep(obscure, unknown, clandestine, underground, undisclosed) |
| discreet(clandestine, underground, undisclosed) |
| disguised(clandestine, underground, undisclosed) |
| disorderly |