firework firewood • fireworkless · · · Info · Definitions · Synonyms · Characters · · firework · · Text Latin · · Script 8 · · Length Definitions · · · (noun) (usually plural) a device with an explosive that burns at a low rate and with colored flames; can be used to illuminate areas or send signals etc.. Synonyms: pyrotechnic. · · Noun Definition 1 Synonyms · · · pyrotechnic · · Synonym 1 Characters · · e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 k latin small letter k U+006B o latin small letter o U+006F r latin small letter r U+0072 w latin small letter w U+0077