hy·​po·​thy·​roid·​ism | \ ˌhī-pō-ˈthī-ˌrȯi-ˌdi-zəm How to pronounce hypothyroidism (audio) \

Definition of hypothyroidism

: deficient activity of the thyroid gland also : a resultant bodily condition characterized by lowered metabolic rate and general loss of vigor

Examples of hypothyroidism in a Sentence

Recent Examples on the Web

That's bad news, considering 2,4-D has been linked to hypothyroidism, suppressed immune function, Parkinson’s disease, and cancer, among other ills. Leah Zerbe, Good Housekeeping, "How Much Toxic Roundup Are You Eating?," 13 Mar. 2017 Patients treated at the Brain Fitness Lab undergo a comprehensive neuropsychiatric assessment to rule out other conditions that can mimic cognitive decline from chemo — like depression, hypothyroidism and vitamin deficiencies. Caitlin Granfield, miamiherald, "You've survived cancer, but your brain is fuzzy after the chemo. Here's what to do.," 29 May 2018 Doctors tested Emily for everything from bulging disks and hypothyroidism to lupus and multiple sclerosis — all came back negative. Leslie Goldman, Woman's Day, "More Women Have Fibromyalgia Than Breast Cancer," 10 Sep. 2017 Hyperthyroidism causes periods to occur further apart, while hypothyroidism causes the body to have more frequent, heavier-flowing periods. Kenny Thapoung, Marie Claire, "3 Signs There's Something Wrong with Your Period," 15 Oct. 2015 The dearth of either can indicate hypothyroidism, which the Pets section of WebMD.com says isn't life-threatening, but can effect quality of life if untreated. David J. Neal, miamiherald, "What got this dog food recalled might have caused thyroid problems in four pooches," 13 June 2018 Since your thyroid influences so many systems in your body, having hypothyroidism can make your period a beast. Claire Gillespie, SELF, "This Is When to See Your Doctor About Heavy Periods," 29 Mar. 2018 Iron can also interfere with medications, including some meant to treat hypothyroidism and Parkinson’s disease. Cassie Shortsleeve, SELF, "Do I Really Need to Take Prenatal Vitamins Before I’m Even Pregnant?," 19 Apr. 2018 Allergic skin disease is the most common primary cause but a slow thyroid (hypothyroidism) and other skin disorders are possible, too. Patty Khuly, miamiherald, "Dogs, cats often suffer common inflammatory ear condition | Miami Herald," 19 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hypothyroidism.' 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 hypothyroidism

1905, in the meaning defined above

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The first known use of hypothyroidism was in 1905

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hy·​po·​thy·​roid·​ism | \ -ˌiz-əm How to pronounce hypothyroidism (audio) \

Medical Definition of hypothyroidism

: deficient activity of the thyroid gland also : a resultant bodily condition characterized by lowered metabolic rate and general loss of vigor

More from Merriam-Webster on hypothyroidism

Britannica.com: Encyclopedia article about hypothyroidism

Comments on hypothyroidism

What made you want to look up hypothyroidism? Please tell us where you read or heard it (including the quote, if possible).


to move with exaggerated bouncy motions

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