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From Middle English aqueinten, acointen, from Old French acointier, from Late Latin accognitāre, from Latin ad + cognitus, past participle of cognoscere (to know), from con- + noscere (to know). See quaint, know.


  • IPA(key): /əˈkweɪnt/
  • Hyphenation: ac‧quaint
  • Rhymes: -eɪnt


acquaint (third-person singular simple present acquaints, present participle acquainting, simple past and past participle acquainted)

  1. (transitive, followed by with) To furnish or give experimental knowledge of; to make (one) to know; to make familiar.
    I think you should acquaint him with the realities of the situation.
    • 1611, The Holy Bible, [] (King James Version), imprinted at London: By Robert Barker, [], OCLC 964384981, Isaiah 53:3:
      He is despised and reiected of men, a man of sorrows, and acquainted with griefe: and we hid as it were our faces from him; hee was despised, and wee esteemed him not.
    • 1693, [John Locke], “§162”, in Some Thoughts Concerning Education, London: Printed for A. and J. Churchill, [], page 203:
      Before a Man can be in any capacity to ſpeak on any ſubject, 'tis neceſsary to be acquainted with it: Or elſe 'tis as fooliſh to ſet him to diſcourſe on it, as to ſet a blind Man to talk of Colours, or a deaf man of Muſick.
  2. (transitive, archaic, followed by of or that) To communicate notice to; to inform; to make cognizant.
  3. (transitive, obsolete) To familiarize; to accustom.
    (Can we find and add a quotation of Evelyn to this entry?)




acquaint (not comparable)

  1. (obsolete) Acquainted.

Related terms[edit]