1. to make someone extremely tired
2. to use up completely
3. to discuss or consider thoroughly

1. waste gases or steam produced by an engine
2. the system that removes waste gases from an engine

Examples

• The long hike exhausted the children.
• We exhausted our food supplies by the third day.
• The researchers exhausted all possible explanations.
• Black exhaust poured from the old truck.
• The car’s exhaust system needs repair.
• Running up the stairs exhausted me.
• They exhausted their savings on the vacation.