invalidity

noun
in·​val·​id·​i·​ty | \ ˌin-və-ˈli-də-tē How to pronounce invalidity (audio) , -va- \
plural invalidities

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 on the Web The Supreme Court said its declaration of invalidity is retroactive to the date the 2011 law was enacted, meaning those who have been sentenced under the statute can now seek relief. Amanda Coletta, Washington Post, 27 May 2022 Label choice bias is far more common than subgroup invalidity. Carol Mccall, STAT, 12 Aug. 2021 Echelon’s invalidity arguments are similar to those raised by Flywheel over related patents. BostonGlobe.com, 8 July 2020 There’s no question that Trump turned McCabe’s firing into a political cudgel, gleefully tweeting about his ouster and claiming it as more proof of the invalidity of the Russia investigation. Jen Kirby, Vox, 3 Apr. 2018 The loss before the nation’s top patent court came a week after J&J’s Janssen Biotech unit got hit with an invalidity ruling on another blockbuster, the cancer drug Zytiga. Susan Decker, Bloomberg.com, 23 Jan. 2018 The invalidity or unenforceability of any provision of these rules shall not affect the validity or enforceability of any other provision. Emily Jan, The Atlantic, 17 Oct. 2017 Creating an air of invalidity was exactly what Madrid sought to achieve. Time, Time, 2 Oct. 2017 The invalidity or unenforceability of any provision of these rules shall not affect the validity or enforceability of any other provision. Emily Jan, The Atlantic, 8 Aug. 2017 See More

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

circa 1550, in the meaning defined at sense 1

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Time Traveler for invalidity

Time Traveler

The first known use of invalidity was circa 1550

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Dictionary Entries Near invalidity

invalidism

invalidity

invalidness

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Statistics for invalidity

Last Updated

2 Jun 2022

Cite this Entry

“Invalidity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/invalidity. Accessed 7 Jul. 2022.

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More Definitions for invalidity

invalidity

noun
in·​val·​id·​i·​ty | \ ˌin-və-ˈlid-ət-ē, -va- How to pronounce invalidity (audio) \
plural invalidities

Medical Definition of invalidity

1 : incapacity to work because of prolonged illness or disability

invalidity

noun
in·​va·​lid·​i·​ty | \ ˌin-və-ˈli-də-tē How to pronounce invalidity (audio) \

Legal Definition of invalidity

: lack of validity : state of being invalid

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