hypothyroidism

noun

hy·​po·​thy·​roid·​ism ˌhī-pō-ˈthī-ˌrȯi-ˌdi-zəm How to pronounce hypothyroidism (audio)
: deficient activity of the thyroid gland
also : a resultant bodily condition characterized by lowered metabolic rate and general loss of vigor

Example Sentences

Recent Examples on the Web An underactive thyroid, also called hypothyroidism, can mean weight gain and sore muscles.33 Hypothyroidism is treated with replacement thyroid hormone. Amanda Gardner, Health, 30 May 2023 Other potential underlying conditions including insomnia, hypothyroidism, and sleep apnea can also lead a person to feel more fatigue after eating. Emilia Benton, Men's Health, 5 May 2023 Irregular periods can be a sign of hypothyroidism and other endocrine disorders that affect the pituitary gland, such as Cushing's syndrome, which occurs when your body produces too much cortisol. Emilia Benton, Women's Health, 26 Apr. 2023 Like many in her age range, Sylvia McGregor, a 97-year-old in Sydney, Australia, deals with her share of maladies — in her case, arthritis, osteoporosis, hearing loss, macular degeneration, lung disease, hypothyroidism, chronic kidney disease, heart disease and two total knee replacements. Lola Butcher, Discover Magazine, 2 Jan. 2023 Taking a sea moss pill may help to improve thyroid function and relieve some of the symptoms of hypothyroidism. Amber Smith, Discover Magazine, 16 Dec. 2022 Many chronic health conditions, including diabetes, hypothyroidism, and mental health conditions, can make losing weight difficult, says Wirtz. Marty Munson, Men's Health, 29 Mar. 2023 However, the opposite condition, hypothyroidism, or Hashimoto's thyroiditis, characterized by a slower metabolism, fatigue, hair loss, and in some cases, weight gain, tends to be more common in white women. Women's Health, 22 Mar. 2023 Hormonal abnormalities, such as hyperparathyroidism or hypothyroidism, can mess with the system and lead to constipation. Amber Smith, Discover Magazine, 13 Oct. 2022 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hypothyroidism.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

International Scientific Vocabulary

First Known Use

1905, in the meaning defined above

Time Traveler
The first known use of hypothyroidism was in 1905

Dictionary Entries Near hypothyroidism

Cite this Entry

“Hypothyroidism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypothyroidism. Accessed 6 Jun. 2023.

Kids Definition

hypothyroidism

noun
hy·​po·​thy·​roid·​ism ˌhī-pō-ˈthī-ˌrȯid-ˌiz-əm How to pronounce hypothyroidism (audio)
: too little activity of the thyroid gland
also : the abnormal bodily condition that results from this
hypothyroid
-ˌrȯid
adjective

Medical Definition

hypothyroidism

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

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