| stoical(adjective, calm, cool, cold, indifferent) |
| stony-hearted(adjective, cold, cruel, unfeeling, unsympathetic) |
| uninspired(adjective, dull, indifferent, boring, apathetic) |
| unrelenting(adjective, pitiless, intolerant) |
| unshaken(adjective, cold, indifferent, unyielding) |
| unyielding(adjective, cold, indifferent, determined, fixed) |
| disinterested(adjective, calm, quiet, mean, hard) |
| half-hearted(adjective, temper, cold, indifferent, negative) |
| apathetical(adjective, temper, cold, negative, dead) |
| deaf(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| decided(adjective, firm) |
| fixed(adjective, calm, determined, still, lifeless) |
| halfhearted(adjective, mean, hard, cool, temper) |
| hard-hearted(adjective, calm, cold, indifferent, cruel) |
| immobile(adjective, calm, firm, still, stable) |
| impersonal(adjective, calm, temper, cold, negative) |
| inexorable |
| neutral(adjective, calm, quiet, cool, moderate) |
| relentless(adjective, cold, cruel, determined, fixed) |
| restful(adjective, quiet, cool, moderate, gentle) |