| crawling(adjective, slow) |
| dawdling(adjective, slow) |
| dead(adjective, cool, still, unfriendly, aloof) |
| deadpan(adjective, calm, tough, rational, straightforward) |
| debilitated(adjective, dull, stupid, idle, weary) |
| dilatory(adjective, dull, quiet, easy, heavy) |
| dormant(adjective, dull, stupid, still, weary) |
| drooping(adjective, dull, relaxed, sluggish, lazy) |
| easy(adjective, calm, dull, quiet, weak) |
| equanimous |
| foul |
| heartless(adjective, cool, indifferent, detached, blank) |
| heedless(adjective, dull, indifferent, detached, distant) |
| latent(adjective, quiet, indifferent, apathetic, lifeless) |
| lingering(adjective, slow) |
| logy(adjective, slow, sluggish, slow-moving, snail-paced) |
| long-suffering(adjective, calm, quiet, cool, indifferent) |
| lymphatic(adjective, weak, heavy, still, lethargic) |
| moony(adjective, dull, quiet, weak, easy) |
| motionless(adjective, quiet, indifferent, still, apathetic) |