| intrepid(adjective, strong, smart, bold, spirited) |
| perfunctory(adjective, casual, quick, happy-go-lucky, slapdash) |
| profligate(adjective, easy, careless, wild, loose) |
| remiss(adjective, indifferent, casual, unconcerned, obtuse) |
| giddy(adjective, easy, careless, wild, silly) |
| inadvertent(adjective, indifferent, casual, unconcerned, rash) |
| unconsidered(noun, adjective, careless, foolish, careful) |
| unheedful(adjective, rash, neglectful) |
| carefree(adjective, feature, state, weak, careless) |
| courageous(adjective, strong, smart, bold, spirited) |
| dangerous(adjective, anxious, bold, worried, brave) |
| disregardful(adjective, casual, rash, happy-go-lucky, oblivious) |
| fast(adjective, violent, careless, wild, quick) |
| frantic(adjective, crazy, mad, odd, insane) |
| irrational(adjective, careless, wild, silly, foolish) |
| prodigal(adjective, free, careless, wild, extravagant) |
| unconcerned(adjective, feature, state, careless, indifferent) |
| unruly(adjective, mean, careless, wild, determined) |
| blind(adjective, indifferent, unconcerned, unkind, uncaring) |
| easygoing(adjective, feature, state, trait) |