Acquaintance arises from occasional intercourse or interaction; as, "our acquaintance has been a brief one". We can speak of a slight or an intimate acquaintance . Learn the meaning and usage of the word acquaintance , which can refer to a person, a relationship, or a state of knowledge. Find synonyms, idioms, translations, and quotations related to acquaintance . Acquaintance, associate, companion, friend refer to a person with whom one is in contact . An acquaintance is someone recognized by sight or someone known, though not intimately: a casual acquaintance. An acquaintance is someone you know a little about, but they’re not your best friend or anything. Acquaintance is also having knowledge about something specific, like horror films or the farming techniques of Chinese peasants.