| shiftless(adjective, weak, careless, feeble, reckless) |
| skittish(adjective, nervous, unstable, unsettled, variable) |
| slipshod(adjective, casual, happy-go-lucky, slapdash) |
| treacherous(adjective, dishonest, deceitful, unpredictable, unreliable) |
| trustless(adjective, dishonest, deceitful, unpredictable, unreliable) |
| unmindful(adjective, indifferent, careful, casual, thoughtless) |
| unthinking(adjective, careless, foolish, stupid, careful) |
| wanton |
| wavering(adjective, unstable, unsettled, unpredictable, unreliable) |
| whimsical(adjective, excited, unstable, chance, unsettled) |
| audacious(adjective, careless, wild, bold, thoughtless) |
| breakneck(adjective, wild, bold, thoughtless, rash) |
| corrupt(adjective, illegality) |
| disreputable(adjective, dubious, unpredictable, unreliable, fickle) |
| dizzy(careless, excited, stupid, vague, unreliable) |
| dumb(foolish, stupid, impractical, half-baked, doomed) |
| fast |
| fitful(adjective, unstable, unsettled, variable) |
| flitting(adjective, irresolute) |
| hare-brained |