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Synonyms

invalidity

1 American  
[in-vuh-lid-i-tee] / ˌɪn vəˈlɪd ɪ ti /

noun

  1. lack of validity.


invalidity 2 American  
[in-vuh-lid-i-tee] / ˌɪn vəˈlɪd ɪ ti /

noun

  1. invalidism.


Etymology

Origin of invalidity1

From the Medieval Latin word invaliditās, dating back to 1540–50. See invalid 2, -ity

Origin of invalidity2

First recorded in 1905–10; invalid 1 + -ity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The court has suspended its declaration of invalidity for three years, giving parliament time to amend the current laws to align with its judgement.

From BBC Oct. 3, 2025

Young voters typically vote in primaries in vanishingly small numbers, comparable only to the size of the post-80 crowd, whose statistics are decimated by invalidity and death.

From Salon Jun. 30, 2025

“It’s not just that they haven’t made a compelling case for constitutional invalidity in this application, they’ve made absolutely no case for it,” Begbie said.

From Washington Times Jun. 25, 2023

The appeals court upheld the decision to bar the invalidity arguments because Apple previously could have raised them in its petitions for Patent Office review of the patents.

From Reuters May 24, 2023

Cyprian passed the same judgment on all schismatics, even on the Novatians, and like Tertullian maintained the invalidity of heretical baptism.

From History of Dogma, Volume 2 (of 7) by Buchanan, Neil

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