ENGLISH
REFERENCE

overhaul

v. · n.
US //ˈoʊvɝˌhɔɫ// over·haul
  1. 1 to repair or improve completely (v.)
    B2 Upper Intermediate

    to examine a machine or a system thoroughly and make all the necessary repairs or changes.

    to examine a mechanical system or organizational structure thoroughly and perform necessary repairs or revisions to ensure optimal functionality.

    Example

    The school decided to overhaul its curriculum to include more technology classes.

    Example

    The engineering team had to overhaul the entire engine after the aircraft reached its mandatory flight-hour limit for safety inspections.

  2. 2 to overtake (v.)
    C1 Advanced British English

    to catch up with and pass someone or something that is moving in the same direction.

    to gain upon and eventually pass a person or vehicle travelling in the same direction.

    Example

    The lead runner was slowly overhauled by the rest of the pack in the final mile.

    Example

    The sleek racing yacht managed to overhaul its rival just before reaching the final buoy of the regatta.

    • fall behind
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  1. 3 a major repair or revision (n.)
    B2 Upper Intermediate

    the act of repairing or changing a system or machine completely.

    a comprehensive examination followed by necessary repairs, modifications, or improvements.

    Example

    The company's website is currently undergoing a major overhaul to improve the user experience.

    Example

    The legal department suggested a complete overhaul of the existing contracts to mitigate future liability risks.

  2. 4 to check for hidden fire (v.)
    C2 Proficiency Technical

    to search a building after a fire to make sure no hidden hot spots are still burning.

    to inspect a structure after a fire has been suppressed to locate and extinguish hidden embers or hotspots.

    Example

    Firefighters spent hours on overhaul to ensure the house wouldn't catch fire again.

    Example

    During the overhaul phase, the crew discovered smouldering insulation behind the drywall that could have reignited the blaze.

Origin

From over- + haul.

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