| even minded |
| fair(adjective, calm, detached, sober, unfeeling) |
| flat(adjective, calm, dull, detached, impassive) |
| glacial(adjective, detached, impassive, unresponsive, insensitive) |
| going with the flow(expression, adjective, idiom, detached, impassive) |
| halcyon(adjective, calm, quiet, cool, easy) |
| happy-go-lucky |
| hard-boiled(adjective, detached, impassive, unresponsive, insensitive) |
| hard-hearted(adjective, detached, impassive, unresponsive, insensitive) |
| hard as nails(expression, adjective, idiom, calm, cool) |
| hardened(adjective, cool, blank, aloof, unemotional) |
| heartless(adjective, cool, detached, blank, aloof) |
| hushed(adjective, calm, quiet, cool, easy) |
| iceberg(adjective, calm, detached, sober, unfeeling) |
| immovable(adjective, calm, cool, steady, unaffected) |
| impartial(adjective, calm, detached, sober, unfeeling) |
| impersonal(adjective, calm, detached, sober, unfeeling) |
| indurated(adjective, cool, blank, aloof, unemotional) |
| inexpressive(adjective, cool, detached, blank, aloof) |
| insensitive(adjective, dull, detached, impassive, unresponsive) |