| pitiless(adjective, hard, care, cold, unfeeling) |
| removed(adjective, careless, detached, casual, aloof) |
| run-of-the-mill(adjective, good, dull, ordinary, usual) |
| slack(noun, adjective, dull, quiet, soft) |
| stony-hearted(adjective, hard, cruel, unfeeling, unsympathetic) |
| trivial(adjective, reasonable, slight, lower, sensible) |
| undemonstrative(adjective, calm, dull, cool, flat) |
| unthinking(adjective, sharp, rude, careless, short) |
| weak(adjective, feature, state, dull, easy) |
| happy-go-lucky(adjective, feature, state, trait, casual) |
| unapproachable(adjective, person, cold, restrained, detached) |
| undisturbed(adjective, feature, state, trait, nonchalant) |
| adequate(adjective, reasonable, moderate, sensible, fair) |
| bored(adjective, beat, cool, careless, weary) |
| comatose(adjective, dull, weak, easy, slow) |
| diffident(adjective, aloof, apathetic, unfeeling, unsympathetic) |
| disenchanted(adjective, cool, nonchalant, dissatisfied, disappointed) |
| dry(adjective, calm, dull, cool, cold) |
| flat(adjective, calm, dull, quiet, cool) |
| foolhardy(adjective, reckless) |