ACQUAINTANCE, n. A person whom we know well enough to borrow from, but not well enough to lend to. A degree of friendship called slight when its object is poor or obscure, and “intimate” when he is rich or famous.

Ambrose Bierce (1842–1914?) American writer and journalist

“Acquaintance,” The Cynic’s Word Book (1906)
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Included in The Devil's Dictionary (1911).