INFIRMITY Synonyms: 107 Similar and Opposite Words

infirmity

noun

in-ˈfər-mə-tē

Definition of infirmity

as in disease

an abnormal state that disrupts a plant's or animal's normal bodily functioning an 18th-century quack who specialized in those mysterious infirmities that are known only to the idle rich

Synonyms & Similar Words

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Antonyms & Near Antonyms

as in weakness

the quality or state of lacking physical strength or vigor a period of infirmity left the athlete completely out of shape

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Antonyms & Near Antonyms

Example Sentences

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 infirmity Because of his infirmities, he is housed in a medical unit of the jail, away from the general population. — Maer Roshan, HollywoodReporter, 10 Mar. 2026 Their income is limited, because of age or infirmity. — Dan Horn, Cincinnati Enquirer, 10 Nov. 2025 As if my sudden turn to sedentariness were the result of indolence, not infirmity. — Lucinda Rosenfeld, New Yorker, 25 Oct. 2025 Humor savors an infirmity — a foible, a failing, a venality, a flaw. — Big Think, 23 Sep. 2025 See All Example Sentences for infirmity

Recent Examples of Synonyms for infirmity

Noun

The first is to dramatically accelerate the pace of basic science, and the second is to accelerate curing disease and extending health span.

— Adam Kovac, Scientific American, 14 Oct. 2026
DeVeydt added that costs for inpatient services and pharmacy, particularly costly specialty pharmacy drugs for cancer and rare diseases, remain elevated.

— Annika Kim Constantino, CNBC, 13 Oct. 2026

Definition of disease

Noun

Every monster has unique strengths and weaknesses, and each demands a different response.

— Jeff DeGraff, Fortune, 17 Oct. 2026
As rules and institutions constrain less and brute power matters more, countries will seek partners to help them blunt sanctions, access critical technologies, compensate for military weaknesses, expand their room for maneuver, and resist isolation.

— Andrea Kendall-Taylor, Foreign Affairs, 16 Oct. 2026

Definition of weakness

Noun

To be sure, practicing a zest for life can be harder for those who have physical illness and pain and those who engage in unhealthy lifestyle behaviors.

— Joan M. Cook, Time, 17 Oct. 2026
The Heat also didn’t have Pelle Larsson (illness) and Dru Smith (right calf strain) on Friday.

— Anthony Chiang, Miami Herald, 17 Oct. 2026

Definition of illness

Noun

Abrams does yeoman’s work with a character stuck in a tight spot for most of the running time, constantly grunting and gasping with a mixture of anguish and exhaustion as his body gets progressively more beat up and broken.

— David Rooney, HollywoodReporter, 14 Oct. 2026
Tina testified for an hour before fainting from exhaustion, returning later that day for a second round of questioning.

— Andrew Coletti, Popular Science, 14 Oct. 2026

Definition of exhaustion

Noun

But by the first week of September, the Dodgers could no longer argue that his poor performance wasn’t necessarily connected to his ailments.

— Maddie Lee, Los Angeles Times, 14 Oct. 2026
ChatGPT is not your doctor, although most people are already using it to find out more information about their ailments, hypothetical or otherwise.

— Amanda Gerut, Fortune, 13 Oct. 2026

Definition of ailment

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

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

Browse Nearby Words

infirmities

infirmity

infix

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“Infirmity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infirmity. Accessed 19 Oct. 2026.

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Synonyms of infirmity

noun

Example Sentences

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