| laid-back(adjective, calm, dull, quiet, cool) |
| long-suffering(adjective, calm, cool, restrained, tolerant) |
| modest(adjective, dull, simple, dreary, uninteresting) |
| motionless(adjective, quiet, cool, secure, still) |
| nonemotional(adjective, cool, detached, blank, sober) |
| offish(restrained, unemotional, phlegmatic) |
| pacific(adjective, calm, quiet, cool, restrained) |
| patient(adjective, calm, quiet, cool, moderate) |
| philosophic(adjective, calm, cool, restrained, tolerant) |
| philosophical(adjective, calm, quiet, relaxed, casual) |
| reposing(adjective, quiet, cool, still, peaceful) |
| rigid(stiff, unyielding, unbending, unreceptive, inexpressive) |
| rocky |
| self-possessed(adjective, calm, quiet, cool, moderate) |
| serious(adjective, calm, tough, restrained, rational) |
| slow(adjective, dull, quiet, cool, weak) |
| sluggish(adjective, calm, dull, weak, easy) |
| soft(adjective, calm, restrained, subdued, unresponsive) |
| standoffish(restrained, unemotional, phlegmatic) |
| stiff(adjective, dull, hard, careless, indifferent) |