| flagging(adjective, action, dull, weak, easy) |
| heavy(adjective, dull, weak, easy, slow) |
| tired(adjective, dull, beat, slow, careless) |
| drowsy(adjective, dull, careless, relaxed, indifferent) |
| lymphatic(adjective, action, dull, weak, easy) |
| slack(adjective, dull, slow, careless, indifferent) |
| unconcerned(adjective, dull, careless, indifferent, apathetic) |
| benumbed(adjective, lethargic) |
| drooping(adjective, dull, relaxed, sluggish, lazy) |
| droopy(adjective, weary, tired, listless, exhausted) |
| effete(adjective, uncertain, feeble, shaky, hesitant) |
| hebetudinous(adjective, dull, slow, heavy, stupid) |
| impassive(adjective, dull, weak, easy, slow) |
| impotent |
| laggard(adjective, dull, careless, indifferent, idle) |
| materialistic(feature, person, character, trait) |
| relaxed |
| sedentary(adjective, inert) |
| slow-moving(adjective, dull, slow, careless, indifferent) |
| static(adjective, inert) |