semiquincentenary

noun

Synonym of semiquincentennial.

Similar
semiquincentennial
OriginEnglish centenary ← Latin centēnārius ← Proto-Indo-European *sēmi →
Scrabble 33
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Meanings

nounsemiquincentenary (plural semiquincentenaries)

plural semiquincentenaries

  1. Synonym of semiquincentennial.

    Brown kicked off its semiquincentenary celebration in March of 2014 with a weekend of events that brought thousands to campus. […] The University’s semiquincentenary “Birthday in a Box” outreach brought supplies that supported an anniversary celebration among researchers in Antarctica.

    2015 June 11, “Brown lowers the curtain on 15-month semiquincentenary”, in Brown University, archived from the original on 15 Feb 2026

    Synonyms: semiquincentennial

Synonyms & antonyms

nounSynonym of semiquincentennial.

Similar
semiquincentennial

Origin

  1. Proto-Indo-European*sem-
  2. Proto-Indo-European*sēmi
  3. Latinsēmi-
  4. Englishsemi-
  5. Latinquīnque
  6. Englishquin-
  7. Latincentēnārius
  8. Englishcentenary
  9. Englishsemiquincentenary

From semi- + quin- + centenary.

Full word history & related roots →
Cite this entry
APA

semiquincentenary. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/semiquincentenary

MLA

“semiquincentenary.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/semiquincentenary. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “semiquincentenary,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/semiquincentenary.

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