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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

If the government presses ahead to pay compensation on behalf of the companies, the lawyers would fight to prove its invalidity, he said.

From Reuters ● Feb. 16, 2023

The lawyers pleaded the general invalidity of colonial titles, and thus the right of the crown to resume!

From The History of Tasmania, Volume I by John West

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