gases ejected from an engine as waste products
"The car's exhaust pipe released thick black smoke into the cold morning air."
system consisting of the parts of an engine through which burned gases or steam are discharged
"The mechanic had to replace the car's exhaust because it was making a loud rattling noise."
A system consisting of the parts of an engine through which burned gases or steam are discharged; see also exhaust system.
"The mechanic inspected the rusted exhaust to ensure it was properly venting the car's emissions."
In plain English: An exhaust is waste gas that comes out of an engine's tailpipe after burning fuel to make it move.
"After running up and down the hill, he was completely exhausted from all his hard work."
wear out completely
"This kind of work exhausts me"
"I'm beat"
"He was all washed up after the exam"
To draw or let out wholly; to drain off completely
"The team worked tirelessly until they had exhausted all their financial resources."
In plain English: To exhaust means to use up all of someone's energy so they are completely tired.
"After running up and down the hill, I was completely exhausted."
Usage: Use exhaust as a verb when something is drained of all energy, patience, or resources until nothing remains. It often describes the complete depletion of supplies or the wearing down of human endurance over time.
Exhausted; used up.
"After running five miles, my energy was completely exhausted."
The word comes from the Latin exhaustus, meaning "drawn out" or "emptied." It originally described the act of draining something completely.