| out(adjective, hard, cold, odd, senseless) |
| spiritless(adjective, dull, cool, weak, cold) |
| stagnant(adjective, calm, dull, quiet, hard) |
| unfeeling(adjective, cool, cold, indifferent, unfriendly) |
| asleep(adjective, calm, cold, indifferent, still) |
| bushed(adjective, health, beat, weak, informal) |
| fatigued(adjective, health, beat, weak, gloomy) |
| insensitive(adjective, dull, quiet, flat, cold) |
| jejune(adjective, dull, weak, flat, stupid) |
| prosaic(adjective, dull, weak, simple, flat) |
| still(adjective, calm, dull, quiet, flat) |
| weary(adjective, health, beat, weak, informal) |
| absolute(verb, adjective, complete, total, big) |
| callous(adjective, dull, quiet, flat, cold) |
| drained(adjective, health, beat, weak, weary) |
| empty(adjective, dull, negative, blank, bare) |
| humdrum(adjective, dull, simple, flat, plain) |
| inorganic(adjective, characteristic, lifeless, organic, nonliving) |
| insentient(adjective, cold, unfeeling, senseless, lifeless) |
| late(adjective, dull, low, lifeless, live) |