flask flashy • flasker · · · Info · Definitions · Synonyms · Characters · · flask · · Text Latin · · Script 5 · · Length Definitions · · · (noun) bottle that has a narrow neck. · · Noun Definition 1 (noun) the quantity a flask will hold. Synonyms: flaskful. · · Noun Definition 2 Synonyms · · · flaskful · · Synonym 1 Characters · · a latin small letter a U+0061 f latin small letter f U+0066 k latin small letter k U+006B l latin small letter l U+006C s latin small letter s U+0073