| down in the mouth(expression, adjective, idiom, dull, flat) |
| downcast(adjective, dull, flat, low, sad) |
| downhearted(adjective, dull, flat, low, sad) |
| draggy(adjective, dull, flat, low, sad) |
| drooping(adjective, dull, relaxed, sluggish, lazy) |
| droopy(adjective, dull, flat, low, sad) |
| easy(adjective, dull, weak, slow, relaxed) |
| easygoing |
| energyless(adjective, dull, weak, easy, slow) |
| enervated(adjective, dull, weak, easy, flat) |
| evasive(adjective, difficult, awkward, forced, averse) |
| faint(adjective, dull, weak, easy, slow) |
| flat |
| flat tire(expression, adjective, dull, flat, low) |
| forbidding(adjective, person, feelings) |
| forced(adjective, difficult, awkward, averse, disinclined) |
| gainsaying(bad, weak, gloomy) |
| happy-go-lucky |
| heavy(adjective, dull, weak, easy, slow) |
| hesitating(adjective, difficult, awkward, forced, averse) |