| deadpan(adjective, dull, detached, dead, blank) |
| impassive(adjective, calm, dull, cool, indifferent) |
| expressionless(adjective, dull, dead, blank, unfeeling) |
| dispassionate(adjective, calm, cool, indifferent, detached) |
| unexpressive(adjective, dull, dead, impassive, unresponsive) |
| detached(adjective, calm, indifferent, aloof, sober) |
| blank(adjective, dull, dead, impassive, unemotional) |
| reserved(adjective, cool, indifferent, detached, casual) |
| aloof(adjective, calm, cool, indifferent, detached) |
| cool(adjective, calm, quiet, cold, indifferent) |
| frigid(adjective, detached, unfeeling, impassive, unresponsive) |
| impersonal(adjective, calm, cold, indifferent, detached) |
| sedate(adjective, cool, blank, aloof, unemotional) |
| staid(adjective, indifferent, casual, aloof, remote) |
| calm(adjective, indifferent, detached, aloof, sober) |
| disinterested(adjective, calm, indifferent, detached, aloof) |
| empty(adjective, dull, dead, impassive, unresponsive) |
| inscrutable(adjective, dull, cool, dead, blank) |
| neutral(adjective, calm, cool, indifferent, detached) |
| nonchalant(adjective, cool, indifferent, detached, blank) |