Meaning of “wear (sth) out” - Learner’s Dictionary

wear (sth) out

phrasal verb with wear us uk /weər/ verb past tense wore, past participle worn

B1 to use something so much that it is damaged and cannot be used any more, or to become damaged in this way:

He's already worn out two pairs of shoes this year.

(Definition of “wear (sth) out” from the Cambridge Learner’s Dictionary © Cambridge University Press)