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See also: antedaté



ante- +‎ date


  • (UK) IPA(key): /ˈæntiˌdeɪt/
  • (file)


antedate (third-person singular simple present antedates, present participle antedating, simple past and past participle antedated)

  1. To occur before an event or time; to exist further back in time.
    Synonyms: predate; see also Thesaurus:predate
    Antonym: postdate
    • 1931, Lovecraft, H[oward] P[hillips], chapter 2, in The Whisperer in Darkness:
      I suppose you know all about the fearful myths antedating the coming of man to the earth—the Yog-Sothoth and Cthulhu cycles—which are hinted at in the Necronomicon.
    • 1986, People v. Calio[1], 42 Cal.3d 639,644:
      We therefore turn to the question whether defendant's prior convictions for burglary and attempted burglary could be used as the basis for an enhancement under [California Penal Code] sections 667 and 1192.7. Both prior convictions antedate the effective date of section 667.
    • 2010, Giancarlo Gandolfo, Economic Dynamics, 4th ed., Springer 2010, p. 311
      Actually, mathematical models of multi-sector growth models antedate the Harrod-Domar and Solow-Swan aggregate models.
  2. To assign a date to a document or action earlier than the actual date.
    Synonyms: backdate, foredate; see also Thesaurus:backdate
    Antonyms: postdate, overdate; see also Thesaurus:overdate
    • 1633, Donne, John, Woman's Constancy:
      Tomorrow when you leav’st, what wilt thou say? / Wilt thou then antedate some new-made vow?
  3. (lexicography) To find earlier citational evidence for a term.
    • 2017 January, James Lambert, “A multitude of “lishes”: The nomenclature of hybridity”, in English World-Wide[2], volume 38, number 3, DOI:10.1075/eww.38.3.04lam, ISSN 0172-8865:
      Furthermore, while OED entries are generally regarded as a good indication of when terms were first used in English, for 5 of the 7 terms the present research has been able to antedate OED’s earliest attestations, usually by a decade or more.


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  1. Prior date; a date antecedent to another which is the actual date.
  2. (obsolete) anticipation




  1. inflection of antedatar:
    1. first/third-person singular present subjunctive
    2. third-person singular imperative