celerity celeriac • celery · · · Info · Definitions · Synonyms · Characters · · celerity · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a rate that is rapid. Synonyms: quickness, rapidity, rapidness, speediness. · · Noun Definition 1 Synonyms · · · quickness · · Synonym 1 rapidity · · Synonym 2 rapidness · · Synonym 3 speediness · · Synonym 4 Characters · · 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 r latin small letter r U+0072 t latin small letter t U+0074 y latin small letter y U+0079