Meaning of “wear off” in the English Dictionary

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"wear off" in American English

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wear off

phrasal verb with wear us /weər/ verb past tense wore /wɔr, woʊr/ , past participle worn /wɔrn, woʊrn/

to stop having an effect or influence:

The vaccine wears off after 10 years.

(Definition of “wear off” from the Cambridge Academic Content Dictionary © Cambridge University Press)