Standard Lemma guide

sesquicentenary

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A 150-year anniversary.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From sesqui- (“one and a half”) + centenary (“100 year anniversary”).

Across languages

Translations

6 source translations are retained for this English entry.

  • German: Hundertfünfzigjahrfeier — a 150 year anniversary
  • German: hundertfünfzigjähriges Jubiläum — a 150 year anniversary
  • Portuguese: sesquicentenário — a 150 year anniversary
  • Russian: полуторавековой юбиле́й (polutoravekovoj jubiléj) — a 150 year anniversary
  • Russian: стопятидесятилетие (stopjatidesjatiletije) — a 150 year anniversary
  • Spanish: sesquicentenario — a 150 year anniversary