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Earlier impregn, from Middle French imprégner, from Old French enpreignier.


  • IPA(key): /ɪmˈpɹɛɡneɪt/
  • (file)


impregnate (third-person singular simple present impregnates, present participle impregnating, simple past and past participle impregnated)

  1. (transitive) To cause to become pregnant.
    Synonyms: knock up, inseminate, (of animals) cover
    I was impregnated at a clinic but don't know who the sperm donor is.
    • 1903 [1901], Maurice Maeterlinck, translated by Alfred Sutro, The Life of the Bee, New York: Dodd, Mead, and Company, page 264:
      The queen at their head, the representative of the future, has not yet been impregnated. Their entire destiny depends on the ensuing nuptial flight.
  2. (transitive) To fertilize.
  3. (transitive) To saturate, or infuse.
    • 1791, John Walker, A Critical Pronouncing Dictionary [] [1], London: Sold by G. G. J. and J. Robinſon, Paternoſter Row; and T. Cadell, in the Strand, →OCLC, page 498:
      To Tartarize, ta²r'ta⁴r-i¹ze, v. a.
      To impregnate with tartar.
    • 1835, Charles Lyell, Principles of Geology [] , 4th edition, volume III, London: John Murray, Book IV, page 322:
      We find those charæ which secrete the largest quantity of calcareous matter in their stems to abound near springs impregnated with carbonate of lime.
  4. (transitive) To fill pores or spaces with a substance.
    • 1937, Hugh Bertie Campbell Pollard, The mystery of scent, page 121:
      It takes a little time for the personal fatty acids to impregnate new shoes or boots, but from the scent point of view leather is a sponge, and the personal scent is left.
  5. (intransitive, dated) To become pregnant.
    • 2023 October 4 (Gregorian calendar), Joseph Addison, “WEDNESDAY, September 23, 2023”, in The Spectator, number (please specify the issue number); republished in Alexander Chalmers, editor, The Spectator; a New Edition, [], volumes (please either specify the issue number or |volume=I to VI), New York, N.Y.: D[aniel] Appleton & Company, 1853, →OCLC:
      Were they, like Spanish Jennets, to impregnate by the Wind, they could not have thought on a more proper Invention.

Derived terms[edit]


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See also[edit]



Etymology 1[edit]



  1. inflection of impregnare:
    1. second-person plural present indicative
    2. second-person plural imperative

Etymology 2[edit]


impregnate f pl

  1. feminine plural of impregnato





  1. second-person singular voseo imperative of impregnar combined with te