| daffy(weak, simple, silly, foolish, thoughtless) |
| daft(weak, simple, silly, foolish, crazy) |
| dangerous |
| dauntless(strong, bold, spirited, brave, courageous) |
| deceived(adjective, foolish, unreasonable, unwise, mistaken) |
| defiant(strong, bold, spirited, brave, courageous) |
| derisory(silly, foolish, fantastic, unwise, impractical) |
| desperado(adjective, rash) |
| determined(careless, thoughtless, impulsive, stubborn, courageous) |
| discordant(wrong, false, awkward, unsuitable, unfitting) |
| discrepant(wrong, false, awkward, unsuitable, unfitting) |
| disinformed(adjective, foolish, unreasonable, unwise, mistaken) |
| disorderly(adjective, mean, neglect, violent, wild) |
| disregardful(casual, rash, happy-go-lucky, oblivious, slapdash) |
| disrespectful |
| doltish(weak, simple, careless, silly, foolish) |
| dotty(weak, simple, silly, foolish, thoughtless) |
| doughty(strong, bold, spirited, brave, courageous) |
| easily pleased(expression, casual, unfussy, cursory) |
| eccentric(silly, foolish, fantastic, unwise, impractical) |