What does quincentenary mean?
A quincentenary is the 500th anniversary of a significant event or the celebration organized to mark that anniversary. The word is typically used in formal and commemorative contexts, particularly for institutions, publications, discoveries, settlements, or historical events with a history of five centuries. Phrases such as quincentenary celebrations and mark a quincentenary describe the observances associated with the milestone. Although often paired with anniversary, the word can stand alone: an institution may celebrate its quincentenary without explicitly repeating the word anniversary. The related adjective quincentennial is frequently used in English, especially in American usage, while quingentenary is an alternative spelling associated particularly with British English. The term is comparatively rare outside historical commemoration, but it provides a precise and dignified name for a five-hundredth anniversary.
The 500th anniversary of an event, or a celebration held to mark it.
"The anniversary committee organized an international quincentenary."
Usually formal and used in commemorative or historical contexts.
Relating to or marking a 500th anniversary.
"The museum opened a quincentenary exhibition featuring rare historical documents."
The adjective quincentennial is more common in modern English.
Used when referring to multiple 500th anniversaries or their associated celebrations.
"The project commemorates quincentenaries of several historic discoveries."
A quincentenary celebrates five centuries in a single word—fittingly, one built from five hundred.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does quincentenary come from?
Quincentenary comes from Latin quinquentesimus, meaning “five hundredth,” formed from quinque, “five,” and centum, “hundred.” The English word developed as a formal calendrical term for a 500th anniversary and has the variant spelling quingentenary. Its English relative quincentennial shares the same Latin numerical roots and is now widely used as an adjective.
Related word forms
How quincentenary is actually used
Relatively uncommon and formal. In British usage, the spelling quingentenary is also encountered, while quincentennial is especially common as an adjective.
Easily confused with quincentenary
A sesquicentennial marks 150 years, whereas a quincentenary marks 500 years.
Both terms refer to a 500-year anniversary, but quincentennial is primarily used adjectivally, while quincentenary commonly names the anniversary or its celebration.