Simple Definition of overhaul

from our Learner's Dictionary

overhaul

verb

overhauls; overhauled; overhauling
1
: to look at every part of (something) and repair or replace the parts that do not work
The mechanic overhauled the car's engine.
2
: to change (something) completely in order to improve it
They had to overhaul their original plans.
Lawmakers are overhauling the welfare program.

Cite this Entry

“Overhaul.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/overhaul. Accessed 15 Apr. 2026.

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