hypotonia hypothyroidism • hypotonic · · · Info · Definitions · Synonyms · Antonyms · Characters · · hypotonia · · Text Latin · · Script 9 · · Length 5 · · Syllables Definitions · · · (noun) (of muscular tissue) the state of being hypotonic. Synonyms: hypotonus, hypotonicity. · · Noun Definition 1 Synonyms · · · hypotonus · · Synonym 1 hypotonicity · · Synonym 2 Antonyms · · · hypertonia · · Antonym 0 hypertonus · · Antonym 1 hypertonicity · · Antonym 2 Characters · · a latin small letter a U+0061 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 t latin small letter t U+0074 y latin small letter y U+0079