1. to examine thoroughly and make necessary repairs or improvements
2. to catch up with and pass someone or something

1. a thorough examination and repair of something

Examples

• The mechanic will overhaul the engine next week.
• The school district plans to overhaul its curriculum.
• The faster runner managed to overhaul his competitor in the final stretch.
• The car needs a complete overhaul before it can pass inspection.
• After the overhaul, the old building looked brand new.
• The company’s overhaul of its policies improved employee satisfaction.