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exhaust

 
 
/ɪgˈzɔːst/ verb [T]

Definition

SUPPLY to finish all of the supply of something: How long will it be before the world's fuel supplies are exhausted?
TIRED to make someone very tired: The long journey exhausted me.
SUBJECT to say everything possible about a subject: We seem to have exhausted that topic of conversation.
(Definition of exhaust verb from the Cambridge Learner's Dictionary © Cambridge University Press)

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