Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun semicentennial

1 sense of semicentennial

Sense 1
semicentennial, semicentenary -- (the 50th anniversary (or the celebration of it))
       => anniversary, day of remembrance -- (the date on which an event occurred in some previous year (or the celebration of it))

Similarity of adj semicentennial

1 sense of semicentennial

Sense 1
semicentennial, semicentenary -- (of or relating to or marking the 50th anniversary)