| cast down(verb, expression, adjective, dull, flat) |
| inobtrusive(adjective, calm, close, quiet, soft) |
| still(quiet, soft) |
| downhearted(adjective, dull, flat, sad) |
| droopy(adjective, dull, flat, sad) |
| languishing(adjective, dull, flat, sad) |
| stilled(verb, quiet, soft) |
| apathetic(adjective, dull, cool, flat) |
| down in the dumps(expression, adjective, idiom, dull, flat) |
| down in the mouth(expression, adjective, idiom, dull, quiet) |
| draggy(adjective, dull, flat, sad) |
| flat tire(expression, adjective, dull, flat) |
| inanimate(adjective, dull, flat, sad) |
| inaudible(adjective, quiet, weak, soft) |
| indifferent(adjective, calm, dull, cool, flat) |
| lackadaisical(adjective, dull, flat, sad) |
| languid(adjective, dull, flat, sad) |
| low-pitched(adjective, calm, dull, close, quiet) |
| melancholic(adjective, dull, flat, sad) |
| mopy(adjective, dull, flat, sad) |