Word.ws English Dictionary

semicentenarian

UK/ˌsɛmɪsɛntəˈnɛːrɪən/US/ˌsɛˌmaɪˌsɛnəˈnɛriən/

semicentenarian noun: synonym of fiftysomething: A person celebrating a semicentenary; a person between 50 and 59 years old.

Noun

semicentenarian (plural semicentenarians)

  1. Synonym of fiftysomething: A person celebrating a semicentenary; a person between 50 and 59 years old.
    Synonyms:
    fiftysomething

Synonyms of semicentenarian

Forms of semicentenarian

pluralsemicentenarians

Origin of semicentenarian

From semicentenary (“50 year, 50th anniversary”) + -ian (“person”), equivalent to semi- (“half”) + centenarian (“100-year-old”), q.v.

Questions about semicentenarian

What does semicentenarian mean?
Semicentenarian means synonym of fiftysomething: A person celebrating a semicentenary; a person between 50 and 59 years old.
What part of speech is semicentenarian?
Semicentenarian is a noun.
How do you pronounce semicentenarian?
Semicentenarian is pronounced /ˌsɛˌmaɪˌsɛnəˈnɛriən/ (US).
What is the plural of semicentenarian?
The plural of semicentenarian is semicentenarians.

Words near semicentenarian in the dictionary

  1. semicells
  2. semicellulose
  3. semicelluloses
  4. semicensored
  5. semicensorship
  6. semicentenarian
  7. semicentenarians
  8. semicentenaries
  9. semicentenary
  10. semicentennial
  11. semicentennials

Source and license

Adapted from Wiktionary: semicentenarian (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:

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