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Phonetics
/ˈmiːdɪˌəʊkə/
/ˌmidiˈoʊkəɹ/
noun
A person of minor significance, accomplishment or acclaim; a common and undistinguished person.
A member of a socioeconomic class between the upper ranks of society and the agricultural workers.
adjective
Having no peculiar or outstanding features; not extraordinary, special, exceptional, or great; of medium quality, almost always with a negative connotation.
Example: I'm pretty good at tennis but only mediocre at racquetball.