English adjective: semicentennial | |||
1. | semicentennial of or relating to or marking the 50th anniversary | ||
Synonyms | semicentenary | ||
English noun: semicentennial | |||
1. | semicentennial (time) the 50th anniversary (or the celebration of it) | ||
Synonyms | semicentenary | ||
Broader (hypernym) | anniversary, day of remembrance | ||