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 Jesus’ understanding of spiritual reality – the reality of each of us, as created and maintained by God – led to the woman’s immediate freedom from infirmity. — Alistair Budd, Christian Science Monitor, 21 Jan. 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

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

Question Ford is not alone in exposing the offensive line weakness on the depth chart.

— Paul Dehner Jr, New York Times, 23 Aug. 2026
According to Briggs, work has become synonymous with busyness and resting is seen as a sign of weakness or something taken only as an extreme reward.

— John Hall, Forbes.com, 23 Aug. 2026

Definition of weakness

Noun

Fewer than 10 people typically die of the illness each year, but nearly everyone who contracts it dies, according to the CDC.

— Charlotte Observer, Charlotte Observer, 29 Aug. 2026
If a parent has an illness so contagious that the hospital can’t adequately protect other patients from it, such as tuberculosis, the parent and child would probably be put in an isolation room with special airflow to contain germs.

— Brenda Goodman, CNN Money, 28 Aug. 2026

Definition of illness

Noun

Hospitals and medical practitioners could treat many ailments and save lives, but medications like insulin for diabetes and antibiotics for bacterial pneumonia didn’t exist.

— Audrey Dutton, ProPublica, 25 Aug. 2026
On the other side of it, Zeek Biggers, who hasn’t played in either preseason game, has been dealing with a minor nagging ailment in recent weeks but is back now.

— David Furones, Sun Sentinel, 25 Aug. 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

Alex Pantling/Getty Images What is clear is that no one thinks the changes enacted in either the Championship or League One are a resolution to the EFL’s marked financial ills.

— Chris Weatherspoon, New York Times, 14 Aug. 2026
Blaming billionaire wealth-hoarding for America’s ills would poll very well among the nation’s anthropology departments.

— Gilad Edelman, The Atlantic, 19 July 2026

Definition of ill

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

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infirmities

infirmity

infix

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

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Synonyms of infirmity

noun

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