bicentennial bicentenary • bicephalic · · · Info · Definitions · Synonyms · Characters · · bicentennial · · Text Latin · · Script 12 · · Length Definitions · · · (noun) the 200th anniversary (or the celebration of it). Synonyms: bicentenary. · · Noun Definition 1 (adj) of or relating to or completing a period of 200 years. Synonyms: bicentenary. Example: "Bicentennial celebration." · · Adjective Definition 1 Synonyms · · · bicentenary · · Synonym 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 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 t latin small letter t U+0074