hyperacusia hyperacuity • hyperacusis · · · Info · Definitions · Synonyms · Characters · · hyperacusia · · Text Latin · · Script 11 · · Length 6 · · Syllables Definitions · · · (noun) abnormal acuteness of hearing due to increased irritability of the sensory neural mechanism; characterized by intolerance for ordinary sound levels. Synonyms: hyperacusis, auditory hyperesthesia. · · Noun Definition 1 Synonyms · · · hyperacusis · · Synonym 1 auditory hyperesthesia · · Synonym 2 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075 y latin small letter y U+0079