| deceptive(adjective, mean, smooth, dishonest, cunning) |
| demure(quiet, gentle, aloof, peaceful, reserved) |
| designing(adjective, mean, smooth, sly) |
| difficult |
| dim(quiet, plain, imperceptible, discreet, inconspicuous) |
| disguised(adjective, clandestine, underground, undisclosed, sneaky) |
| dishonorable(mean, smooth, dishonest, cunning, deceitful) |
| disinclined to communicate(expression, idiom) |
| dissembled(restricted, clandestine, underground, discreet, undisclosed) |
| dissimulated(restricted, clandestine, underground, discreet, undisclosed) |
| distant(quiet, gentle, cold, shy, unfriendly) |
| double-dealing(adjective, mean, smooth, sly, devious) |
| dumb(adjective, close, quiet, soft, low) |
| duplicitous(dishonest, cunning, deceitful, sly, devious) |
| easy-going(adjective, cool, cold, sensitive, shy) |
| equivocal(strange, unknown, curious, concealed, inexplicable) |
| esoteric(strange, clandestine, underground, undisclosed, inexplicable) |
| excretory |
| faint(quiet, plain, imperceptible, discreet, inconspicuous) |
| fraudulent(dishonest, cunning, deceitful, secret, private) |