| numb(adjective, calm, still, inactive, inert) |
| ponderous(adjective, heavy, tedious, dreary, cumbersome) |
| quiet(adjective, calm, gentle, flat, slow) |
| somnolent(adjective, dull, careless, indifferent, idle) |
| stationary(adjective, calm, quiet, smooth, still) |
| supine(adjective, dull, careless, indifferent, idle) |
| tasteless(adjective, dull, weak, dead, tedious) |
| weak(adjective, dull, feeble, dead, tedious) |
| wearisome(adjective, dull, weak, stupid, boring) |
| weary(adjective, dull, flat, careless, indifferent) |
| at rest(expression, adjective, idiom, calm, quiet) |
| banal |
| catatonic(adjective, inert) |
| commonplace(adjective, dull, simple, flat, plain) |
| cool(adjective, calm, dull, quiet, flat) |
| desolate |
| drugged(adjective, lethargic) |
| expired |
| feeble(adjective, dull, weak, soft, obscure) |
| flavorless(adjective, excite) |