heatstroke heat spot • heat sum · · · Info · Definitions · Synonyms · Characters · · heatstroke · · Text Latin · · Script 10 · · Length 2 · · Syllables Definitions · · · (noun) collapse caused by exposure to excessive heat. Synonyms: heat hyperpyrexia. · · Noun Definition 1 Synonyms · · · heat hyperpyrexia · · Synonym 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 k latin small letter k U+006B o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074