thyrotoxicosis thyrotoxic • thyrotropic · · · Info · Definitions · Synonyms · Characters · · thyrotoxicosis · · Text Latin · · Script 14 · · Length Definitions · · · (noun) an overactive thyroid gland; pathologically excessive production of thyroid hormones or the condition resulting from excessive production of thyroid hormones. Synonyms: hyperthyroidism. · · Noun Definition 1 Synonyms · · · hyperthyroidism · · Synonym 1 Characters · · c latin small letter c U+0063 h latin small letter h U+0068 i latin small letter i U+0069 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 x latin small letter x U+0078 y latin small letter y U+0079