deafness
- n.
- 聴覚消失
- 難聴。(人の話を故意に)聞こうとしないこと。耳が聞こえないこと、ろう、聾
- 1. the quality of being unable to hear, either completely or partly. 2.an unwillingness to listen, or a lack of understanding about something(https://dictionary.cambridge.org/dictionary/english/deafness)