| out of commission(expression, adjective, idiom, dull, idle) |
| out of it(expression, adjective, idiom, quiet, slow) |
| out of service(expression, adjective, idiom, dull, idle) |
| out of work(expression, adjective, idiom, dull, idle) |
| pabulum(adjective, dull, flat, boring, lifeless) |
| pallid |
| passive(adjective, dull, indifferent, idle, weary) |
| pedestrian |
| phlegmatic(adjective, dull, simple, slow, heavy) |
| plodding |
| pokey(adjective, dull, slow, heavy, sluggish) |
| ponderous |
| prolonged(adjective, dull, moderate, low, stiff) |
| prosaic(adjective, dull, weak, flat, boring) |
| prosy(adjective, dull, weak, boring, dead) |
| protracted(adjective, dull, moderate, low, stiff) |
| quiescent(adjective, dull, idle, sluggish, lazy) |
| quiet(adjective, dull, flat, slow, heavy) |
| reduced(adjective, dull, moderate, low, stiff) |
| sapless(adjective, dull, weak, dead, tedious) |