<p><strong>Verb</strong></p><ul><li>(used with object)</li><li>To make necessary repairs on; restore to serviceable condition: My car was overhauled by an expert mechanic.</li><li>To investigate or examine thoroughly for repair or revision: Next year we're going to overhaul the curriculum.</li><li>To gain upon, catch up with, or overtake, as in a race.</li><li>To haul or turn over for examination.</li><li>Nautical: to slacken (a rope) by hauling in the opposite direction to that in which the rope was drawn taut.</li><li>To release the blocks of (a tackle).</li></ul><p><strong>Noun</strong></p><ul><li>Also overhaul·ing.</li><li>A general examination and repair: The state roads were badly in need of a major overhaul.</li></ul>