acquaintance
/əˈkweɪntəns/
/ʌˈkweɪn.təns/
noun
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A state of being acquainted with a person; originally indicating friendship, intimacy, but now suggesting a slight knowledge less deep than that of friendship; acquaintanceship.
"I know of the man; but have no acquaintance with him."
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A person or persons with whom one is acquainted.
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Such people collectively; one's circle of acquaintances (with plural concord).
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Personal knowledge (with a specific subject etc.).
Synonyms:
familiarity, fellowship, intimacy, knowledge