adjective, -di⋅er, -di⋅est, verb, -died, -dy⋅ing.| 1. | abounding in or covered with mud. |
| 2. | not clear or pure: muddy colors. |
| 3. | cloudy with sediment: muddy coffee. |
| 4. | dull, as the complexion. |
| 5. | not clear mentally. |
| 6. | obscure or vague, as thought, expression, or literary style. |
| 7. | Horse Racing. denoting the condition of a track after a heavy, continuous rainfall has ceased and been completely absorbed into the surface, leaving it the consistency of thick mud. |
| 8. | to make muddy; soil with mud. |
| 9. | to make turbid. |
| 10. | to cause to be confused or obscure. |
| 11. | to become muddy. |