| frantic(adjective, reckless) |
| half-baked |
| hard(adjective, insensitive) |
| impassible(adjective, temper, cold, negative, behave) |
| inconsiderate(adjective, careless, indifferent, casual, unconcerned) |
| inexcitable(adjective, cool, blank, aloof, unemotional) |
| laid back(expression, adjective, feature, state, calm) |
| loose(adjective, calm, cool, relaxed, indifferent) |
| meek(adjective, unexcitable) |
| mindless(casual, happy-go-lucky, slapdash) |
| permissive(adjective, feature, state, mild, relaxed) |
| poised(adjective, calm, mild, relaxed, casual) |
| possessed(adjective, calm, quiet, relaxed, tranquil) |
| quiet(adjective, feature, state, calm, cool) |
| regardless(adjective, careless, indifferent, detached, casual) |
| remote(adjective, cool, informal, relaxed, easygoing) |
| self-possessed(adjective, calm, quiet, cool, mild) |
| slack(adjective, careless, indifferent, sloppy, inattentive) |
| slapdash(adjective, careless, indifferent, casual, unconcerned) |
| slick |