ring·​worm | \ ˈriŋ-ˌwərm How to pronounce ringworm (audio) \

Definition of ringworm

: any of several contagious fungal diseases of the skin, hair, or nails of humans and domestic animals that are characterized by ring-shaped discolored skin patches covered with vesicles and scales

Examples of ringworm in a Sentence

Recent Examples on the Web Forty-nine dead cats were removed from the house and 161 were taken to the Humane Society for treatment for medical conditions such as upper respiratory infections, panleukopenia, stomatitis, flea infestation and ringworm. Cliff Pinckard, cleveland, "Humane Society takes 161 cats from Lake County pet sanctuary," 29 Sep. 2020 Currently, Lee is fostering a Chihuahua puppy named Pinky, who has ringworm. Vincent T. Davis, ExpressNews.com, "Live Release Team works with troubled dogs to find them homes across San Antonio," 30 June 2020 Visually, the hairs are short and broken and can result in bald patches that can be misdiagnosed as ringworm or alopecia areata. Jennifer Hussein, Allure, "6 People on the Reality of Living With Trichotillomania," 13 Mar. 2020 Many still mourn relatives who were kidnapped as infants and secretly given away for adoption, or died of cancer after being irradiated to treat ringworm upon arrival in Israel. David M. Halbfinger, New York Times, "Ace of Base: Why Netanyahu Seems Unsinkable," 3 Mar. 2020 Laundry has been associated with outbreaks of salmonella, bacterial and viral meningitis, and ringworm, to name a few. Sandee Lamotte, CNN, "Bacteria are likely hiding in your household washing machine," 27 Sep. 2019 The best way to diagnose ringworm infection in an animal is by fungal culture. Dr. Patty Khuly, miamiherald, "Ringworm not really a worm but a fungus contagious to pets and humans | Miami Herald," 18 May 2018 But that ringworm scare had come after a few months of persistent skin irritation. Wes Siler, Outside Online, "So You Want to Get Your Dog on a Raw-Foot Diet," 24 Apr. 2018 Moskwa also alleged Steuart brought in a cat infected with ringworm into the facility’s kitten coop, resulting in three different litters of kittens getting infected, along with members of the staff and volunteers. René A. Guzman, San Antonio Express-News, "San Antonio Cat Cafe has cats in dire need of care seized by city," 10 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ringworm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of ringworm

15th century, in the meaning defined above

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The first known use of ringworm was in the 15th century

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Cite this Entry

“Ringworm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ringworm. Accessed 16 Jan. 2021.

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How to pronounce ringworm (audio)

English Language Learners Definition of ringworm

: a disease that causes ring-shaped marks to appear on the skin


ring·​worm | \ ˈriŋ-ˌwərm How to pronounce ringworm (audio) \

Kids Definition of ringworm

: a fungus infection that causes red ring-shaped patches on the skin


ring·​worm | \ ˈriŋ-ˌwərm How to pronounce ringworm (audio) \

Medical Definition of ringworm

: any of several contagious diseases of the skin, hair, or nails of humans and domestic animals caused by fungi (as of the genus Trichophyton) and characterized by ring-shaped discolored patches on the skin that are covered with vesicles and scales

called also tinea

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More from Merriam-Webster on ringworm

Nglish: Translation of ringworm for Spanish Speakers

Britannica English: Translation of ringworm for Arabic Speakers

Britannica.com: Encyclopedia article about ringworm

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