invalidity
noun /ˌɪnvəˈlɪdəti/
/ˌɪnvəˈlɪdəti/
[uncountable]- (British English, specialist) the state of being unable to take care of yourself because of illness or injury
病弱;伤残;不能自理 - (formal) the state of not being legally or officially acceptable
compare validityTopics Law and justicec2无效;失效