1. a thorough examination and repair of something

1. to examine and repair or improve something thoroughly
2. to catch up with and pass someone or something

Examples

• The mechanic overhauls the engine every 50,000 miles.
• The company overhauls its computer system annually.
• The runner overhauls his competitor in the final stretch.
• The car needs a complete overhaul before it can pass inspection.
• After the overhaul, the machine worked like new.
• The website overhaul improved user experience significantly.
• She overhauls her study methods before each semester.