| not affected(expression, safe, unaffected, protected, resistant) |
| not liable(expression, idiom, safe, unaffected, protected) |
| not subject(expression, safe, unaffected, protected, resistant) |
| objective |
| phlegmatic(adjective, cool, blank, aloof, unemotional) |
| placid(adjective, cool, blank, aloof, unemotional) |
| poker-faced(adjective, cool, blank, aloof, unemotional) |
| reserved(adjective, cool, blank, aloof, unemotional) |
| reticent(adjective, cool, blank, aloof, unemotional) |
| sedate(adjective, cool, blank, aloof, unemotional) |
| self-absorbed |
| self-contained(adjective, cool, blank, aloof, unemotional) |
| serene(adjective, cool, blank, aloof, unemotional) |
| stoic(adjective, cool, blank, aloof, unemotional) |
| stoical(adjective, cool, blank, aloof, unemotional) |
| stolid(adjective, cool, blank, aloof, unemotional) |
| stony(adjective, hard, insensitive, unsusceptible) |
| taciturn(adjective, cool, blank, aloof, unemotional) |
| tactless(adjective, hard, insensitive, unsusceptible) |
| thick-skinned(adjective, hard, insensitive, unsusceptible) |