Meaning of “invalidity” in the English Dictionary

(Definition of “invalidity” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"invalidity" in Business English

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invaliditynoun [ U ]

uk /ˌɪnvəˈlɪdəti/ us

the fact of not being legally or officially acceptable:

The company was fully aware of the invalidity of its patent.

GOVERNMENT the condition of being unable to work because of health problems, and receiving money from a government or organization because of this :

The ex-soldier receives an invalidity pension from the Army.

(Definition of “invalidity” from the Cambridge Business English Dictionary © Cambridge University Press)