Meanings
nounsemicentenary (plural semicentenaries)
plural semicentenaries
- Synonym of semicentennial: a 50th anniversary.
The city celebrated its semicentenary last year.
Synonyms: semicentennial
Synonyms & antonyms
nounSynonym of semicentennial: a 50th anniversary.
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More synonyms by meaning
adjectiveof or relating to or marking the 50th anniversary
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Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
From semi- (“half”) + centenary (“100th anniversary”), q.v.
Full word history & related roots →Cite this entry
APA
semicentenary. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/semicentenary
MLA
“semicentenary.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/semicentenary. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “semicentenary,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/semicentenary.
Source: semicentenary on Wiktionary, CC BY-SA 4.0.