| discreet(clandestine, underground, undisclosed) |
| disguised(obscure, secret, unknown, hidden, clandestine) |
| dishonorable(dishonest, cunning, deceitful, sneaky, underhanded) |
| disloyal(fickle, untrustworthy, unprincipled, dirty-dealing) |
| dissembled(clandestine, underground, undisclosed) |
| dissimulated(clandestine, underground, undisclosed) |
| distant(reserved, reticent, taciturn) |
| double-dealing(fickle, untrustworthy, unprincipled, dirty-dealing) |
| double dealing(expression, fickle, untrustworthy, unprincipled, dirty-dealing) |
| down(sub-rosa, groundward) |
| dried up(expression, reserved, reticent, taciturn) |
| earthward(sub-rosa, groundward) |
| enigmatical(obscure, unknown, clandestine, underground, undisclosed) |
| entry-level(sub-rosa, groundward) |
| entry level(expression, sub-rosa, groundward) |
| esoteric(obscure, unknown, clandestine, underground, undisclosed) |
| evasive(reserved, reticent, taciturn) |
| exceptional(private, confidential) |
| extracurricular(fickle, untrustworthy, unprincipled, dirty-dealing) |
| eyes-only(adverb, sensitive, confidential) |