INVALIDITY Synonyms: 64 Similar and Opposite Words

invalidity

noun

Definition of invalidity

as in invalidism

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of invalidity The State Ballot Commission rejected a challenge to petition signatures, dismissing claims of invalidity from cannabis advocate Kevin Gilnack. — A.j. Herrington, Forbes.com, 22 July 2026 Miscellaneous The invalidity or unenforceability of any provision of these Official Rules or the Affidavit will not affect the validity or enforceability of any other provision. — USA TODAY, 22 Jan. 2025 This latest result has nothing to say about parallel universes, the multiverse, or the validity or invalidity of any of the still-viable interpretations of quantum mechanics. — Big Think, 13 Dec. 2024 Gallagher’s greeting card company Full Colour Black started an invalidity action in March 2019 to cancel the EU trademark on the iconic mural, arguing that Banksy must copyright his work instead of registering trademarks to incorporate them. — Sophie Mellor, Fortune, 21 Nov. 2022 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

Recent Examples of Synonyms for invalidity

Noun

Since the 1970s, feminist scholars have been actively documenting the ways menstruation has been used to ground false arguments about women’s weakness, invalidism, and inferiority in the eighteenth and nineteenth centuries.

— Literary Hub, Literary Hub, 11 Mar. 2026
As Eliot went through a crisis involving his turn to Christianity, Vivien’s invalidism, and his mother’s death, his letters got more and more intense and confessional.

— Christopher Tayler, Harper’s Magazine , 17 Aug. 2022

Definition of invalidism

Noun

As Kasubhai observed, despite its legal feebleness, Kennedy’s declaration and its explicit threat has had a concrete impact on the provision of gender-affirming services to American youths.

— Business Columnist, Los Angeles Times, 23 Apr. 2026
Signs of disease include warts on legs, crusty or swollen eyes, feebleness, a ruffled appearance, difficulty breathing, nasal discharge, and diarrhea.

— Brandee Gruener, Southern Living, 5 Mar. 2026

Definition of feebleness

Noun

And by that, researchers mean methods to drastically reduce the amount of illness and infirmity that currently afflict people in old age.

— John Ramos, CBS News, 3 May 2026
Colette, Mark Twain, and William Wordsworth all wrote habitually from bed, for reasons having to do with infirmity, comfort, and warding off distraction; Frida Kahlo painted self-portraits from bed, including the dreams that transcended her physical confinement.

— Literary Hub, Literary Hub, 21 Apr. 2026

Definition of infirmity

Noun

In recent years, white supremacists have embraced the concept of lactose intolerance as a distinguishing debility of nonwhite people.

— Hilary Smith, The Conversation, 25 Aug. 2026
And, when pets suffered from cancer or heart failure or debility, conversations about what to do next were emotional but often straightforward.

— Sunita Puri, New Yorker, 6 June 2026

Definition of debility

Noun

But rates of cardiac disease have fallen in recent years, as the medical community pivots to managing cholesterol levels, hypertension and diabetes—all risk factors for heart disease.

— Angelica Ang, Fortune, 26 Aug. 2026
The administration said 80% of insurers pledged changes to preauthorization requirements for 80% of diseases and injuries by January 2026.

— Stephanie Armour, CBS News, 25 Aug. 2026

Definition of disease

Noun

Some intergenerational sparring ensues, as Kevin scolds Arthur for his more outré boomer comments, and Arthur in turn sneers at his grandson’s millennial lameness.

— Jessica Kiang, Variety, 19 Aug. 2026
Services will range from individual wellness and sick-patient examinations to routine herd healthcare, breeding soundness exams, pregnancy examinations, on-farm consultations, lameness evaluations and certificates of veterinary inspection, A-State said.

— arkansasonline.com, arkansasonline.com, 21 June 2026

Definition of lameness

Noun

Yet over the past decade, the park has fallen into a state of decrepitude, trash littering the venue.

— Sam Blum, New York Times, 18 Aug. 2026
Similarly, ‘Barton Springs,’ a meditation on beautiful youth doomed to mortal decrepitude, feels somehow too personal to make the visceral leap into a reader’s recognition.

— Literary Hub, Literary Hub, 26 Mar. 2026

Definition of decrepitude

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“Invalidity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invalidity. Accessed 31 Aug. 2026.

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Synonyms of invalidity

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