Definition of invalidity
1 : lack of validity or cogency
2 : incapacitating bodily disability; also : invalidism
Examples of invalidity in a Sentence
the invalidity of the contract
an injured worker forced to live on invalidity benefit
Recent Examples of invalidity from the Web
Generally, only the U.S. Patent and Trademark Office can officially invalidate a patent, although a jury’s finding of invalidity likely would de-weaponize the patent for other litigation purposes.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'invalidity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of invalidity
INVALIDITY Defined for English Language Learners
Definition of invalidity for English Language Learners
: the state of having no force or effect : the state of being invalid
: the state or condition of being unable to work because of illness or injury : the state or condition of being an invalid
Legal Definition of invalidity
: lack of validity : state of being invalid
Seen and Heard
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