Word.ws English Dictionary

semiquincentennial

Syllables: sem·i·quin·cent·en·ni·al/ˌsɛ.miˌkwɪn.sɛnˈtɛn.i.əl//ˌsɛ.miˌkwɪn.sɛnˈtɛn.i.əl/

semiquincentennial adjective: of or relating to a 250th anniversary.

semiquincentennial: of or relating to a 250th anniversary
Image: Tony Webster, CC BY 4.0, via Wikimedia Commons

Adjective

semiquincentennial (not comparable)

  1. Of or relating to a 250th anniversary.
    • [Bath, N.C. SemiQuincentennial Committee] Program for celebrating the 250th anniversary of the Incorporation of Bath, North Carolina, on March 8, 1705, October 1, 2, 3, 4, 1955. [Bath, 1955] 32 p.1958, Mary Lindsay Thornton, compiler, A Bibliography of North Carolina 1589–1956, Chapel Hill, N.C.: University of North Carolina Press, →OCLC, page 26
    • She […] now serves as co-chair of the committee planning the observation and celebration of the university's semiquincentennial (250th) anniversary.2014 May, John Bishop, “In the Wind …”, in Stephen Schnurr, editor, The Diapason, number 5 (number 1254 overall), Arlington Heights, Ill.: Scranton Gillette Communications, →ISSN, →OCLC, page 6...
    Synonyms:
    sestercentenary

Noun

semiquincentennial (plural semiquincentennials)

  1. A 250th anniversary.
    • The year 2026 will mark the semiquincentennial of the founding of the United States.
    • "How old is the town anyway?" / "Well," said Brian, "while America was celebrating her bicentennial in 1976, Bath [in North Carolina] had already celebrated it[s] semiquincentennial in 1955." / "What's that?" asked Michael. / "It was Bath's 250th birthday."1979, Carole Marsh, “A Clue Comes Ashore”, in The Mystery of Blackbeard the Pirate (Carole Marsh Mysteries; 3), new edition, Peachtree, Ga.: Gallopade International/Carole Marsh Books, published...

Examples of semiquincentennial in a sentence

  • This semiquincentennial celebration features 250 objects – including the desk used by Thomas Jefferson to draft the Declaration of Independence – spread over 250,000 square feet.2026 June 12, “On exhibit: Museums”, in The Washington Post (Weekend section), Washington, D.C.: The Washington Post Company, →ISSN, →OCLC...
  • For many Americans, the semiquincentennial is less a celebration than a reckoning.2026 July 1, Fabiola Cineas, “‘The next 250 years belong to all of us’: Seven activists on rebuilding the US”, in Katharine Viner, editor...

Synonyms of semiquincentennial

Forms of semiquincentennial

pluralsemiquincentennials

Origin of semiquincentennial

From semi- (prefix meaning ‘half’) + quincentennial (“500th anniversary”).

Words that rhyme with semiquincentennial

Questions about semiquincentennial

What does semiquincentennial mean?
Semiquincentennial means of or relating to a 250th anniversary.
How do you use semiquincentennial in a sentence?
This semiquincentennial celebration features 250 objects – including the desk used by Thomas Jefferson to draft the Declaration of Independence – spread over 250,000 square feet.
What part of speech is semiquincentennial?
Semiquincentennial can be an adjective or a noun.
How do you pronounce semiquincentennial?
Semiquincentennial is pronounced /ˌsɛ.miˌkwɪn.sɛnˈtɛn.i.əl/ (UK).

Words near semiquincentennial in the dictionary

  1. semiquavers
  2. semiqueen
  3. semiqueens
  4. semiquiescent
  5. semiquincentenary
  6. semiquincentennial
  7. semiquincentennials
  8. semiquinone
  9. semiquinones
  10. semiquinquefid
  11. semiquintile

Source and license

Adapted from Wiktionary: semiquincentennial (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

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Cite this entry: “semiquincentennial.” Word.ws, https://word.ws/semiquincentennial. Based on Wiktionary, CC BY-SA 4.0.