Duodecember

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proper noun

A notional, normally non-existent fourteenth month of the Western calendar.

“For quotations using this term, see Citations:Duodecember.”

Similar
Duodecimber
OriginLatin duodecim ← French Duodécembre →
Scrabble 19
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Meanings

proper nounDuodecember (plural Duodecembers)

plural Duodecembers

  1. A notional, normally non-existent fourteenth month of the Western calendar.

    For quotations using this term, see Citations:Duodecember.

    Synonyms: Duodecimber

Synonyms & antonyms

proper nounA notional, normally non-existent fourteenth month of the Western calendar.

Similar
Duodecimber

Origin

  1. FrenchDuodécembre
  2. Latinduodecim“twelve”
  3. EnglishDuodecember

From Latin duodecim (“twelve”); formed as logical continuation to December, which in its turn is derived from Latin decem (“ten”), as it was the tenth month in the Roman calendar. Possibly taken from the French Duodécembre, used by Sylvain Maréchal in 1788

More words from Latin, French

Full word history & related roots →
Cite this entry
APA

Duodecember. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/Duodecember

MLA

“Duodecember.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Duodecember. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “Duodecember,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/Duodecember.

Source: Duodecember on Wiktionary, CC BY-SA 4.0.