0 past simple and past participle of overhaul --
1 to repair or improve something so that every part of it works as it should: --
The government has recently overhauled the healthcare system.
I got the engine overhauled.
Not only have we overhauled our security precautions, but we have taken strong steps to impress them on all our staff.
The biplane had been overhauled by the maker shortly before the accident took place.
When the machines are in the hands of repairers, the opportunity is taken to have them overhauled.
There are six machines in flying order; two more will be ready in two days, another is being overhauled.
I am told that staff consultation arrangements have been overhauled by the new management team.
It has also overhauled the bulk tariffs and the forecasting, and it has set in motion a massive consumer survey which will run continuously.
Those omnibuses have to be overhauled and tested by certain men and washed and cleaned and swept out and so forth.
The machine was thoroughly overhauled and adjusted at the same time.
