| quiet(adjective, feature, state, calm, dull) |
| tame(dull, weak, low, thin, depressed) |
| blah(adjective, dull, quiet, weak, easy) |
| cool(adjective, feature, state, calm, dull) |
| dilatory(adjective, dull, easy, slow, careless) |
| drowsy(adjective, dull, careless, relaxed, indifferent) |
| easygoing(adjective, feature, state, trait, sluggish) |
| enfeebled(adjective, weak, thin, delicate, shaky) |
| flat(adjective, dull, quiet, weak, low) |
| jejune |
| laggard(adjective, dull, easy, slow, careless) |
| laid-back(adjective, feature, state, calm, dull) |
| motionless(adjective, inert, motionless) |
| nonchalant(adjective, feature, state, trait) |
| poking(adjective, slow) |
| poor(adjective, weak, weakness, thin, delicate) |
| serene(adjective, feature, state, calm, quiet) |
| sickly(adjective, dull, weak, easy, weakness) |
| slow-moving(adjective, dull, easy, slow, careless) |
| somnolent(adjective, dull, careless, relaxed, indifferent) |