quincentennial quincentenary • quincewort · · · Info · Definitions · Synonyms · Characters · · quincentennial · · Text Latin · · Script 14 · · Length Definitions · · · (noun) the 500th anniversary (or the celebration of it). Synonyms: quincentenary. · · Noun Definition 1 (adj) of or relating to a 500th anniversary. Synonyms: quincentenary. Example: "The quincentennial celebration of the founding of the city." · · Adjective Definition 1 Synonyms · · · quincentenary · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E q latin small letter q U+0071 t latin small letter t U+0074 u latin small letter u U+0075