| 1. | to make necessary repairs on; restore to serviceable condition: My car was overhauled by an expert mechanic. |
| 2. | to investigate or examine thoroughly for repair or revision: Next year we're going to overhaul the curriculum. |
| 3. | to gain upon, catch up with, or overtake, as in a race. |
| 4. | to haul or turn over for examination. |
| 5. | Nautical.
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| 6. | Also, o⋅ver⋅haul⋅ing. a general examination and repair: The state roads were badly in need of a major overhaul. |