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

The layer plays a vital role in absorbing the sun’s ultraviolet radiation, which can cause diseases such as skin cancer.

— Adam Kovac, Scientific American, 16 Sep. 2026
Introducing a fish foreign to the region could bring diseases into the water.

— John Donegan LONG BEACH POST, Arkansas Online, 15 Sep. 2026

Definition of disease

Noun

Similarly, behavioral assessments also shed light on potential weaknesses, such as poor communication skills or a tendency to avoid conflict, which can be addressed proactively.

— Karla Vallecillo, Hartford Courant, 18 Sep. 2026
This ambitious tripartite structure comes with strengths and weaknesses.

— David Rooney, HollywoodReporter, 17 Sep. 2026

Definition of weakness

Noun

As a result, more people have now died of environmental illnesses that followed the September 11 attacks than perished during the collapse of the towers that day.

— Brenda Goodman, CNN Money, 19 Sep. 2026
About 80% of infected people develop no symptoms, while most others experience a mild flu-like illness.

— Giada Zampano, Los Angeles Times, 19 Sep. 2026

Definition of illness

Noun

Delane injured his shoulder while being tackled on the interception, an ailment that cost him time in training camp.

— Sam McDowell, Kansas City Star, 15 Sep. 2026
By April 4, he’d been placed on the 15-day IL with left hip inflammation, an ailment that later required a move to the 60-day IL in May.

— Johnny Flores Jr, New York Times, 13 Sep. 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

Manny Navarro North Carolina Bobby Petrino has fixed all the offensive ills.

— The Athletic College Football Staff, New York Times, 9 Sep. 2026
But unlike Transcription or George Saunders’s Vigil, the year’s other novel about a rich old man on his way to the underworld, this book doesn’t try to diagnose our collective ills.

— Emma Alpern, Vulture, 7 Sep. 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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Style

“Infirmity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infirmity. Accessed 20 Sep. 2026.

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Synonyms of infirmity

noun

Example Sentences

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