WordReference Random House Unabridged Dictionary of American English © 2026
quin•cen•ten•ni•al
(kwin′sen ten′ē əl),USA pronunciation adj.
- pertaining to or marking a period of 500 years.
- quin(que-) + centennial 1880–85
'quincentennial' also found in these entries (note: many are not synonyms or translations):