| sharp(adjective, rough, careless, bitter, unkind) |
| shiftless(careless, reckless, erratic, negligent, frivolous) |
| thankless(adjective, inconsiderate, unappreciative, ungrateful) |
| unceremonious(adjective, severe, unkind, uncaring, selfish) |
| uncharitable(adjective, mean, nasty, ill, hostile) |
| uncivil(adjective, sharp, rough, rude, careless) |
| unfeeling(adjective, mean, sharp, rough, harsh) |
| unobliging(adjective, cold, forget, uncaring, inattentive) |
| unserious |
| unsolicitous(adjective, cold, forget, uncaring, inattentive) |
| untactful(adjective, sharp, rough, rude, careless) |
| absentminded(adjective, careless, indifferent, apathetic, distracted) |
| airy(adjective, feature, state, trait, casual) |
| asinine(adjective, silly, foolish, stupid, vulgar) |
| bold(adjective, careless, impulsive, rash, aggressive) |
| breakneck(adjective, wild, quick, rash, reckless) |
| callous |
| carefree(adjective, feature, state, condition, careless) |
| clumsy(adjective, sharp, rough, careless, insensitive) |
| confused(adjective, careless, foolish, stupid, unwise) |