| 1. | indisposed to action or exertion; lacking in energy; lazy; indolent: a sluggish disposition. |
| 2. | not acting or working with full vigor, as bodily organs: a sluggish liver. |
| 3. | slow to act or respond: a sluggish car engine. |
| 4. | moving slowly, or having little motion, as a stream. |
| 5. | slow, as motion. |
| 6. | slack, as trade, business, or sales. |