Word.ws English Dictionary

sesquicentenarian

UK/ˌsɛs.kwɪˌsɛn.təˈnɛəɹi.ən/US/ˌsɛs.kwɪˌsɛn.təˈnɛɹi.ən/

sesquicentenarian noun: someone or something of 150 years of age, or between 150 and 159 (in its sixteenth decade of life or existence).

Noun

sesquicentenarian (plural sesquicentenarians)

  1. (rare) Someone or something of 150 years of age, or between 150 and 159 (in its sixteenth decade of life or existence)

Forms of sesquicentenarian

pluralsesquicentenarians

Origin of sesquicentenarian

From sesqui- + centenarian.

Words that rhyme with sesquicentenarian

48 more rhymesFewer rhymes

Questions about sesquicentenarian

What does sesquicentenarian mean?
Sesquicentenarian means someone or something of 150 years of age, or between 150 and 159 (in its sixteenth decade of life or existence).
What part of speech is sesquicentenarian?
Sesquicentenarian is a noun.
How do you pronounce sesquicentenarian?
Sesquicentenarian is pronounced /ˌsɛs.kwɪˌsɛn.təˈnɛəɹi.ən/ (UK).
What is the plural of sesquicentenarian?
The plural of sesquicentenarian is sesquicentenarians.

Words near sesquicentenarian in the dictionary

  1. sesquialters
  2. sesquiannual
  3. sesquibasic
  4. sesquicarbonate
  5. sesquicarbonates
  6. sesquicentenarian
  7. sesquicentenarians
  8. sesquicentenaries
  9. sesquicentenary
  10. sesquicentennial
  11. sesquicentennially

Source and license

Adapted from Wiktionary: sesquicentenarian (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.

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