• (America) IPA: /spɜːɹm/
  • (British) IPA: /spɜːm/


  1. (countable) The reproductive cell or gamete of the male; a spermatozoon.
    • 2012, Sarah Whitehouse, The Guardian, 13 Apr 2012:
      Seeing the two little moving cells – the result of her egg and Luke's sperm – was incredible, and two very long weeks later the clinic confirmed I was pregnant.
  2. (uncountable, slang) Semen; the generative substance of male animals.
    • 1603, Michel de Montaigne, chapter 12, in John Florio, transl., The Essayes, […], book II, printed at London: By Val[entine] Simmes for Edward Blount […], OCLC 946730821 ↗:
      Other Nations there are, that never have use of fire; Others, whose sperme is of a blacke colour.
  3. (chemistry) Sperm oil; whale oil from a sperm whale; spermaceti.
Synonyms Translations Translations Translations Verb

sperm (sperms, present participle sperming; past and past participle spermed)

  1. (intransitive, slang, vulgar) To ejaculate.
  2. (transitive, slang, vulgar) To ejaculate on or into.

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