semicentennial

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semicentennial

/ˌsɛˌmaɪsnˈtɛniəl/ US
/ˌsɛmisnˈtɛniəl/ US
/ˌsɛˌmaɪsənˈtɛniəl/ US
/ˌsɛmisənˈtɛniəl/ US
/ˌsɛmɪsɛnˈtɛnɪəl/ UK

Where it comes from

From semi- (“half”) + centennial (“100 year, 100th anniversary”), q.v.

adjective

not comparable Of or related to a 50th anniversary, occurring every 50 years.

noun semicentennials

A 50th anniversary. The city celebrated its semicentennial last year.
Similar: semicentenary, jubilee, golden anniversary, golden jubilee (50th anniversary of a coronation), golden wedding (50th anniversary of a marriage)

Translations

Every language

adj occurring every 50 years

Italiano	semisecolare

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MLA

"semicentennial." Wiktionary, via Micwyn, micwyn.com/word/semicentennial. Accessed 6 Nov. 2026.

APA

semicentennial. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/semicentennial

Chicago

"semicentennial." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/semicentennial.

BibTeX

@misc{semicentennial_2026,
  title = {semicentennial},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/semicentennial},
  urldate = {2026-11-06}
}