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

Examples of hypothyroidism in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Thyroid Medication Thyroid medications like Synthroid (levothyroxine) and Armour Thyroid are used to treat underactive thyroid (hypothyroidism). Alex Yampolsky, Verywell Health, 28 Oct. 2024 If your dog is sleeping too much, this could indicate health issues, such as canine depression, diabetes and hypothyroidism, the American Kennel Club reports. Olivia Munson, USA TODAY, 3 Oct. 2024 Thyroid or pituitary gland conditions: Hyperthyroidism (overactive thyroid) and hypothyroidism (underactive thyroid) can affect the HPO axis and result in menstrual irregularities. Laura Schober, Health, 5 Oct. 2024 Thyroid dysfunction, either underactive thyroid gland (hypothyroidism) or overactive thyroid gland (hyperthyroidism), may lead to heart block. Christopher Lee, Verywell Health, 25 Sep. 2024 See all Example Sentences for hypothyroidism 

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 21 Nov. 2024.

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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