sự vô hiệu
/ˌɪnvəˈlɪdəti//ˌɪnvəˈlɪdəti/The word "invalidity" has its roots in the Latin words "invalidus," meaning "weak" or "ineffective," and the suffix "-ity," which forms a noun indicating a state or condition. In English, the word "invalidity" was first recorded in the 16th century, originally meaning "state of being invalid" or "non-effectiveness." Over time, the meaning of the word expanded to include the state of being incapacitated or disabled, either physically or mentally. In modern usage, "invalidity" often refers to a person's physical or mental impairment that prevents them from engaging in normal activities, or the state of being without legal capacity or competency due to age, mental health, or other factors.
the state of being unable to take care of yourself because of illness or injury
tình trạng không thể tự chăm sóc bản thân vì bệnh tật hoặc thương tích
the state of not being legally or officially acceptable
tình trạng không được chấp nhận về mặt pháp lý hoặc chính thức
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