| serene(adjective, quiet, gentle, humble, subdued) |
| slack(adjective, dull, careless, loose, sluggish) |
| sleepy(adjective, dull, quiet, careless, heavy) |
| slothful(adjective, dull, quiet, careless, indifferent) |
| stationary(adjective, quiet, still, inactive, inert) |
| stolid(adjective, calm, dull, indifferent, stupid) |
| unresponsive(adjective, calm, dull, cool, flat) |
| accommodating(adjective, quiet, humble, meek, compliant) |
| agreeable(adjective, calm, quiet, gentle, subdued) |
| aloof(adjective, cool, cold, detached, unfriendly) |
| biddable(adjective, calm, quiet, gentle, agreeable) |
| comatose(adjective, dull, careless, indifferent, idle) |
| dead(quiet, still, lifeless, inactive, motionless) |
| detached(adjective, indifferent, unconcerned, tolerant, insensitive) |
| dutiful(adjective, shy, meek, compliant, docile) |
| flat(adjective, calm, dull, indifferent, unconcerned) |
| flexible(adjective, shy, meek, docile, obedient) |
| heavy(adjective, dull, quiet, moderate, easy) |
| humble(adjective, quiet, mean, gentle, modest) |
| impartial(adjective, indifferent) |