quincentennial

Definitions of quincentennial
1

n the 500th anniversary (or the celebration of it)

Synonyms:
quincentenary
Type of:
anniversary, day of remembrance
the date on which an event occurred in some previous year (or the celebration of it)

adj of or relating to a 500th anniversary

“the quincentennial celebration of the founding of the city”
Synonyms:
quincentenary

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.