| disheartened(adjective, blue, low, sad, unhappy) |
| docile(adjective, calm, quiet, kind, smooth) |
| drab(adjective, dull, weak, excite, stupid) |
| droopy(adjective, sad, unhappy, miserable, depressed) |
| half-hearted(adjective, careless, relaxed, indifferent, apathetic) |
| heavy(adjective, dull, quiet, weak, easy) |
| hopeless(adjective, hopeless) |
| impassible(adjective, dull, quiet, flat, heavy) |
| indolent(adjective, dull, slow, careless, relaxed) |
| insouciant(adjective, lethargic, languid, indolent) |
| lackluster(adjective, dull, excite, sad, boring) |
| low-spirited(blue, sad, unhappy, miserable, pessimistic) |
| lymphatic(adjective, action, weak, heavy, still) |
| mechanical(adjective, done, powered, motorized, power-driven) |
| modest(adjective, quiet, gentle, nervous, humble) |
| monotonous(adjective, dull, weak, cold, stupid) |
| motionless(adjective, dull, cold, lifeless, nonliving) |
| pallid(adjective, pale, white, colorless) |
| pessimistic(adjective, blue, sad, unhappy, miserable) |
| remote(adjective, unfriendly, unemotional, emotionless, taciturn) |