hyperthyroidism

noun

hy·​per·​thy·​roid·​ism ˌhī-pər-ˈthī-ˌrȯi-ˌdi-zəm How to pronounce hyperthyroidism (audio)
: excessive functional activity of the thyroid gland
also : the resulting condition marked especially by increased metabolic rate, enlargement of the thyroid gland, rapid heart rate, and high blood pressure

Examples of hyperthyroidism in a Sentence

Recent Examples on the Web Williams previously had gone on hiatus from the show in March 2018 and again in May 2020, due to complications with her Graves' disease and hyperthyroidism. Kelsie Gibson, Peoplemag, 26 Feb. 2024 Williams previously went on hiatus from the show in March 2018 and again in May 2020, due to complications with her Graves' disease and hyperthyroidism. Esther Kang, Peoplemag, 2 Feb. 2024 But exposure to environmental perchlorate causes the opposite of hyperthyroidism, namely hypothyroidism — an underactive thyroid. David Warmflash, Discover Magazine, 20 June 2016 This can be particularly risky, in part because iodine supplements can interact with several types of drugs, including anti-thyroid drugs used to treat hyperthyroidism. Mary Shomon, Verywell Health, 17 Sep. 2023 Contraindications Consuming seaweed is not recommended for those with hyperthyroidism or inflammation of the thyroid gland. Alessandra Signorelli, Vogue, 18 Sep. 2023 Excessive iodine intake can lead to thyroid dysfunction, including hyperthyroidism or hypothyroidism. Jake Parks, Discover Magazine, 23 Oct. 2023 The same is true for women with severe underlying or untreated health conditions, including asthma, diabetes, hypertension and hyperthyroidism. Allison McCann, New York Times, 23 Oct. 2023 This, accompanied by his bulging eyes and weight loss, suggests hyperthyroidism. Seriously Science, Discover Magazine, 19 Dec. 2014

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hyperthyroidism.' 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

circa 1900, in the meaning defined above

Time Traveler
The first known use of hyperthyroidism was circa 1900

Dictionary Entries Near hyperthyroidism

Cite this Entry

“Hyperthyroidism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperthyroidism. Accessed 28 Mar. 2024.

Kids Definition

hyperthyroidism

noun
hy·​per·​thy·​roid·​ism ˌhī-pər-ˈthī-ˌrȯid-ˌiz-əm How to pronounce hyperthyroidism (audio)
-rəd-
: abnormally high activity of the thyroid gland
also : the resulting abnormal state of health
hyperthyroid
-ˌrȯid
adjective

Medical Definition

hyperthyroidism

noun
hy·​per·​thy·​roid·​ism -ˌrȯid-ˌiz-əm, -rəd- How to pronounce hyperthyroidism (audio)
: excessive functional activity of the thyroid gland
also : the resulting condition marked especially by increased metabolic rate, enlargement of the thyroid gland, rapid heart rate, and high blood pressure

called also thyrotoxicosis

see graves' disease

More from Merriam-Webster on hyperthyroidism

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