semicentennial

adj, noun — 2 senses

semicentennial

adj

US /ˌsɛˌmaɪsnˈtɛniəl/ · UK /ˌsɛmɪsɛnˈtɛnɪəl/

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

1

Of or related to a 50th anniversary, occurring every 50 years.

semicentennial

noun

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

1

A 50th anniversary.

The city celebrated its semicentennial last year.

Synonyms: semicentenary, jubilee, golden anniversary, golden jubilee (50th anniversary of a coronation), golden wedding (50th anniversary of a marriage)

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.