jello jellily • jell-o · · · Info · Definitions · Synonyms · Characters · · jello · · Text Latin · · Script 5 · · Length 2 · · Syllables Definitions · · · (noun) fruit-flavored dessert (trade mark Jell-O) made from a commercially prepared gelatin powder. Synonyms: Jell-O. · · Noun Definition 1 Synonyms · · · jell-o · · Synonym 1 Characters · · e latin small letter e U+0065 j latin small letter j U+006A l latin small letter l U+006C o latin small letter o U+006F