Semicentennial — synonyms, definition
1. semicentennial (Adjective)
1 synonym
semicentenary
1 definition
semicentennial (Adjective) — Of or relating to or marking the 50th anniversary.
2. semicentennial (Noun)
1 definition
semicentennial (Noun) — The 50th anniversary (or the celebration of it).
2 types of
anniversary day of remembrance