| happy-go-lucky |
| hard-boiled(adjective, calm, dark, restrained, rational) |
| hard-hearted(adjective, calm, restrained, unconcerned, subdued) |
| heartless(adjective, unfeeling, hard-hearted, nowhere, obdurate) |
| hushed(adjective, calm, quiet, cool, easy) |
| iceberg(adjective, calm, detached, sober, unfeeling) |
| impartial(adjective, calm, detached, sober, unfeeling) |
| impassive(adjective, calm, quiet, cool, moderate) |
| impersonal(adjective, calm, detached, sober, unfeeling) |
| impervious(adjective, calm, restrained, unconcerned, subdued) |
| inactive(adjective, quiet, cool, mild, still) |
| incurious(adjective, calm, cool, relaxed, detached) |
| inhibited(adjective, calm, quiet, sensible, dark) |
| inscrutable(adjective, quiet, cool, moderate, gentle) |
| isolated(adjective, mild, shy, stable, peaceful) |
| jaded(adjective, cool, indifferent, sophisticated, apathetic) |
| judicial(adjective, calm, detached, sober, unfeeling) |
| just(adjective, calm, detached, sober, unfeeling) |
| knowing(adjective, cool, sensible, indifferent, sophisticated) |
| lacking interest |