| matter-of-fact(adjective, cool, blank, aloof, unemotional) |
| meaningless |
| nonchalant(adjective, cool, blank, aloof, unemotional) |
| passionless(adjective, cool, detached, blank, aloof) |
| phlegmatic(adjective, cool, detached, blank, aloof) |
| placid(adjective, cool, blank, aloof, unemotional) |
| pokerfaced(expression, adjective, show, expressionless) |
| reserved(adjective, cool, detached, blank, aloof) |
| reticent(adjective, cool, detached, blank, aloof) |
| sedate(adjective, cool, blank, aloof, unemotional) |
| self-contained(adjective, cool, blank, aloof, unemotional) |
| serene(adjective, cool, blank, aloof, unemotional) |
| spiritless(adjective, cool, blank, aloof, unemotional) |
| stoic(adjective, cool, blank, aloof, unemotional) |
| stoical(adjective, cool, blank, aloof, unemotional) |
| stolid(adjective, dull, cool, dead, blank) |
| stupid(adjective, dull, indifferent, dead, blank) |
| taciturn(adjective, cool, blank, aloof, unemotional) |
| uncommunicative |
| undemonstrative(adjective, detached, impassive, unresponsive, dispassionate) |