| even(adjective, dull, quiet, flat, slow) |
| extinct(lifeless, late, asleep, nonliving, inorganic) |
| extinguished |
| half-hearted(adjective, cold, dead, apathy, passive) |
| halfhearted(adjective, dull, careless, cold, indifferent) |
| immaterial |
| immotile(calm, still, lifeless, inactive, motionless) |
| in abeyance(expression, calm, gentle, still, hidden) |
| inoperative(adjective, action, calm, gentle, sluggish) |
| insensitive(adjective, dull, quiet, flat, heavy) |
| invariable |
| laid-back(adjective, dull, quiet, weak, easy) |
| limp(adjective, dull, weak, easy, slow) |
| logy(adjective, slow, sluggish, slow-moving, snail-paced) |
| lukewarm(adjective, dull, flat, cold, sluggish) |
| lymphatic(adjective, weak, heavy, still, sluggish) |
| moony(adjective, dull, quiet, weak, easy) |
| mute |
| neuter(detached, unconcerned, removed) |
| not moving(expression, calm, still, lifeless, inactive) |