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 But other researchers attribute the king’s changing condition to diabetes, hypothyroidism or psychosis, among other ailments. Nora Mcgreevy, Smithsonian Magazine, "Researchers Find Remnants of Jousting Field Where Henry VIII Almost Died," 6 Nov. 2020 Those with lupus, Hashimoto thyroiditis (hypothyroidism), and Grave’s disease (hyperthyroidism) will often experience hair loss. Audrey Noble, Harper's BAZAAR, "The Pro's Guide to Tackling Hair Loss and Thinning," 8 Oct. 2020 Thyroid conditions, such as hypothyroidism or Hashimoto’s disease, can also shift hormone levels and interfere with the ovulation process. Anne Miller, New York Times, "What Causes Secondary Infertility?," 15 Apr. 2020 Hyperthyroidism can also speed up your metabolism, and may lead to weight loss, while hypothyroidism can cause weight gain. Hallie Levine, Health.com, "What Every Woman Should Know About Her Thyroid Gland," 5 Dec. 2019 Treatment for hypothyroidism involves taking a daily dose of a synthetic replacement for thyroid hormone called levothyroxine, the NIDDK explains. Carolyn L. Todd, SELF, "7 Reasons You Might Be Feeling Cold All the Time," 16 Oct. 2018 Monahan noted that Sanders has previously been treated for gout, high cholesterol, diverticulitis, hypothyroidism, laryngitis secondary to esophageal reflux, lumbar strain, and complete removal of superficial skin lesions. Rebecca Morin, USA TODAY, "Bernie Sanders in 'good health' after heart attack, according to his doctor," 31 Dec. 2019 Weight gain, fatigue, muscle weakness, and thinning hair are classic hypothyroidism symptoms. Chloe Angyal, Marie Claire, "Kathryn Morgan Returns to the Stage," 16 Oct. 2019 Euthyrox is a medication used to treat hypothyroidism and its FDA label specifically states that it should not be taken to lose weight. Christina Oehler, Health.com, "This Man Is Convinced His Wife Is Secretly Drugging Him With Thyroid Medication to Make Him Lose Weight," 14 June 2019

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

History and Etymology for hypothyroidism

International Scientific Vocabulary

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Time Traveler for hypothyroidism

Time Traveler

The first known use of hypothyroidism was in 1905

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Statistics for hypothyroidism

Last Updated

18 Nov 2020

Cite this Entry

“Hypothyroidism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypothyroidism. Accessed 3 Dec. 2020.

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More Definitions for hypothyroidism


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

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