o·ver·haul (ō′vər-hôl, ōvər-hôl′)
tr.v. o·ver·hauled, o·ver·haul·ing, o·ver·hauls
a. To examine thoroughly and make any needed repairs: overhauled the engine to check for problems.
b. To revise extensively: proposals to overhaul the health care system.
2. Nautical To slacken (a line) or to release and separate the blocks of (a tackle).
3. Chiefly British To catch up with; overtake: overhauled the fugitive after a six-hour chase.
1. An act of overhauling.
2. A repair job.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.