[ sem-ee-sen-ten-ee-uhl, sem-ahy- ]
/ ˌsɛm i sɛnˈtɛn i əl, ˌsɛm aɪ- /
Save This Word!
of or relating to a fiftieth anniversary.
a fiftieth anniversary.
the celebration of this anniversary.
TEST YOUR MERIT ON THESE NEW WORDS IN 2021
The Dictionary added new words and definition to our vast collection, and we want to see how well-versed you are in the formally recognized new lingo. Take the quiz!
Question 1 of 8
What does JEDI stand for?
Words nearby semicentennial
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for semicentennial
/ (ˌsɛmɪsɛnˈtɛnɪəl) /
(prenominal) of or relating to the 50th anniversary of some event
occurring once every 50 years
a 50th anniversary
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012