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factum

noun

factum is a noun meaning “Somebody's own act and deed” (English Wiktionary, September 2026). It is spelled F-A-C-T-U-M, and it appears about once in every 17 million words in written English (wordfreq, 2021 data). The plural of factum is facta or factums.

What does factum mean?

noun

  1. 1

    Somebody's own act and deed.

    Fraud in the factum

  2. 2

    Anything stated and made certain.

  3. 3

    The due execution of a will, including everything necessary to its validity.

  4. 4

    CanadaA statement of fact and law delivered before a court.

  5. 5

    obsoleteA product (result of multiplying two numbers).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Forms of factum

  • facta plural
  • factums plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is factum?

Factum appears about once in every 17 million words in written English, the 124,184th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Where does factum come from?

From Latin factum. See fact.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).