| flat(adjective, quiet, indifferent, apathetic, lying) |
| foul(adjective, quiet, still, stationary) |
| halcyon(adjective, calm, quiet, cool, smooth) |
| impassive(adjective, quiet, cool, secure, still) |
| jobless(adjective, dull, idle, sluggish, lazy) |
| lackadaisical |
| latent(adjective, calm, dull, quiet, gentle) |
| limp(adjective, dull, idle, sluggish, lazy) |
| neutral(adjective, quiet, cool, still, peaceful) |
| numb(adjective, calm, moving, still, sluggish) |
| out of commission(expression, adjective, idiom, dull, idle) |
| phlegmatic(adjective, quiet, indifferent, still, apathetic) |
| restful(adjective, calm, quiet, cool, smooth) |
| slothful(adjective, dull, still, idle, sluggish) |
| smooth(verb, adjective, calm, quiet, cool) |
| somnolent(adjective, dull, idle, apathetic, sluggish) |
| stabile(still, passive, stationary, changeless) |
| statuelike |
| stuck(still, steady, fixed, impassive, inflexible) |
| unconcerned(adjective, quiet, cool, still, peaceful) |