| dilatory(adjective, dull, stupid, idle, weary) |
| doped |
| dopy(adjective, tired, lethargic, sleepy, dazed) |
| down(adjective, dull, slow, heavy, still) |
| doze |
| dragging(adjective, dull, slow, heavy, sluggish) |
| draggy(adjective, dull, quiet, slow, heavy) |
| drippy(adjective, dull, slow, heavy, sluggish) |
| enervated(adjective, dull, stupid, idle, weary) |
| exhausted(adjective, weary, tired, sluggish, lazy) |
| half asleep(expression, adjective, tired, lethargic, sleepy) |
| having spring fever(expression, adjective, idiom, dull, stupid) |
| idle(adjective, dull, stupid, still, weary) |
| impassive(adjective, dull, stupid, still, idle) |
| indifferent(adjective, dull, slow, weary, apathetic) |
| indolent(adjective, dull, slow, heavy, still) |
| lackadaisical(adjective, dull, weary, apathetic, tired) |
| laggard(adjective, dull, stupid, idle, weary) |
| laid-back(adjective, dull, slow, heavy, stupid) |
| languorous(adjective, dull, slow, heavy, still) |