thy·​roid·​itis | \ ˌthī-ˌrȯi-ˈdī-təs How to pronounce thyroiditis (audio) , ˌthī-rə- \

Definition of thyroiditis

: inflammation of the thyroid gland

Examples of thyroiditis in a Sentence

Recent Examples on the Web One of the subjects suffers from Hashimoto’s thyroiditis, an autoimmune disease, and has been diagnosed with multiple chemical sensitivity. Winston Cho, The Hollywood Reporter, 12 Apr. 2022 She's eventually diagnosed with Postpartum thyroiditis and starts on the lengthy road to recovery, which leads her to an unexpected reunion with Chimney and their daughter. Patrick Gomez,, 29 Mar. 2022 After several days of tests, it is discovered Maddie actually has postpartum thyroiditis, and with hormone treatments and outpatient therapy, she is expected to heal. Jennifer Maas, Variety, 28 Mar. 2022 Many target hard-to-manage conditions like Hashimoto’s thyroiditis and polycystic ovary syndrome (PCOS), which have symptoms ranging from weight gain to muscle soreness to depression. Christine Byrne, Outside Online, 8 July 2021 Hashimoto’s thyroiditis is the most common cause of low thyroid levels in North America. Dr. Keith Roach, oregonlive, 30 Nov. 2021 In areas of the world where there is adequate iodine, such as all North America, the most common cause of low thyroid levels is the autoimmune disease Hashimoto’s thyroiditis. Dr. Keith Roach, oregonlive, 5 Oct. 2021 Autoimmune disorders such as lupus, diabetes, celiac disease, Hashimoto's thyroiditis, and many more are common, and many are becoming more prevalent. Laura Helmuth, Scientific American, 16 Aug. 2021 Her doctor has since ruled out Graves' disease, and will determine if Stewart has sub-acute thyroiditis or a nodule on her throat by the end of the week. Julie Mazziotta,, 10 June 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thyroiditis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of thyroiditis

circa 1885, in the meaning defined above

History and Etymology for thyroiditis

thyroid entry 1 + -itis

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Time Traveler for thyroiditis

Time Traveler

The first known use of thyroiditis was circa 1885

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Dictionary Entries Near thyroiditis



thyroid-stimulating hormone

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Statistics for thyroiditis

Last Updated

25 Apr 2022

Cite this Entry

“Thyroiditis.” Dictionary, Merriam-Webster, Accessed 25 May. 2022.

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More Definitions for thyroiditis


thy·​roid·​itis | \ ˌthī-ˌrȯid-ˈīt-əs, -rəd- How to pronounce thyroiditis (audio) \

Medical Definition of thyroiditis

: inflammation of the thyroid gland

More from Merriam-Webster on thyroiditis Encyclopedia article about thyroiditis


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