| even with |
| faraway(adjective, careless, indifferent, apathetic, distracted) |
| fast-and-loose(adjective, careless, bold, thoughtless, impulsive) |
| flaccid(soft, tolerant, slack, lenient, remiss) |
| flighty(careless, stupid, unthinking, obtuse, unperceptive) |
| flippant |
| foolhardy(adjective, wild, thoughtless, deed, negligent) |
| foot-in-mouth(adjective, careless, bold, thoughtless, impulsive) |
| free and easy(expression, idiom) |
| general(soft, tolerant, slack, lenient, remiss) |
| giddy |
| harum-scarum(adjective, reckless, inattention) |
| haughty(adjective, indifferent, detached, distant, apathetic) |
| heartless(adjective, indifferent, detached, distant, apathetic) |
| helter-skelter(wild, thoughtless, deed, negligent, irresponsible) |
| highbrow(adjective, indifferent, detached, distant, apathetic) |
| highflying |
| hotheaded(adjective, careless, wild, bold, thoughtless) |
| ill-judged(adjective, careless, bold, thoughtless, impulsive) |
| impartial(adjective, indifferent, detached, distant, apathetic) |