quadrennium

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US/kwɑˈdrɛniəm/UK/kwɒˈdrɛnɪəm/UK/kwəˈdrɛnɪəm/

noun

A period of 4 years, particularly (historical) the sets of four years in the ancient Egyptian and Greek calendars.

Similar
tetraeteristetraeteridolympiad
OriginLate Latin quadrennium ← Latin quadriennium →
Scrabble 23
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Meanings

nounquadrennium (plural quadrenniums or quadrennia)

plural quadrenniums · plural quadrennia

  1. A period of 4 years, particularly (historical) the sets of four years in the ancient Egyptian and Greek calendars.

    Synonyms: tetraeteris, tetraeterid, olympiad

Synonyms & antonyms

nounA period of 4 years, particularly (historical) the sets of four years in the ancient Egyptian and Greek calendars.

Similar
tetraeteristetraeteridolympiad
Also see
olympiadtetraeteris

Origin

  1. Latinquadriennium
  2. Late Latinquadrennium
  3. Englishquadrennium

From Late Latin quadrennium, from Latin quadriennium, from quadriennis (“4-year”) + -ium (suffix forming abstract nouns).

More words from Late Latin, Latin

Full word history & related roots →
Cite this entry
APA

quadrennium. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/quadrennium

MLA

“quadrennium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/quadrennium. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “quadrennium,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/quadrennium.

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