Antonyms of noun acquaintance

1 of 3 senses of acquaintance

Sense 3
acquaintance, friend -- (a person with whom you are acquainted; "I have trouble remembering the names of all my acquaintances"; "we are friends of the family")
       Antonym of stranger (Sense 1)
      => stranger, alien, unknown -- (anyone who does not belong in the environment in which they are found)
       Antonym of stranger (Sense 2)
      => stranger -- (an individual that one is not acquainted with)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun acquaintance

3 senses of acquaintance

Sense 1
acquaintance, familiarity, conversance, conversancy -- (personal knowledge or information about someone or something)
       => information -- (knowledge acquired through study or experience or instruction)

Sense 2
acquaintance, acquaintanceship -- (a relationship less intimate than friendship)
       => relationship -- (a state involving mutual dealings between people or parties or countries)

Sense 3
acquaintance, friend -- (a person with whom you are acquainted; "I have trouble remembering the names of all my acquaintances"; "we are friends of the family")
       => person, individual, someone, somebody, mortal, soul -- (a human being; "there was too much for one person to do")