hyperthyroidism
noun
hy·per·thy·roid·ism ˌhī-pər-ˈthī-ˌrȯi-ˌdi-zəm 
: 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
In the posts, captured by TV Insider, the designer opened up about her experience with Hashimoto's disease and hyperthyroidism. —
Christopher Edwards, PEOPLE, 11 Apr. 2026 Writer Judith Dancoff links her hyperthyroidism and long-term reproductive issues from a pituitary gland tumor to childhood radiation exposure during a summer spent at the Oak Ridge uranium enrichment site in Tennessee where her father worked as a student of Oppenheimer. —Chloe Shrager, Los Angeles Times, 27 Mar. 2026 In rare scenarios, those wakeups might be tied to conditions like sleep apnea or hyperthyroidism. —Erica Sloan, SELF, 24 Feb. 2026 His mother repeatedly but unsuccessfully called the jail in an attempt to intervene and get him his medication for schizoaffective disorder and hyperthyroidism, according to the lawsuit. —Ryan Oehrli february 10, Charlotte Observer, 10 Feb. 2026 See All Example Sentences for hyperthyroidism
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.
Christopher Edwards, PEOPLE, 11 Apr. 2026 Writer Judith Dancoff links her hyperthyroidism and long-term reproductive issues from a pituitary gland tumor to childhood radiation exposure during a summer spent at the Oak Ridge uranium enrichment site in Tennessee where her father worked as a student of Oppenheimer. —Chloe Shrager, Los Angeles Times, 27 Mar. 2026 In rare scenarios, those wakeups might be tied to conditions like sleep apnea or hyperthyroidism. —Erica Sloan, SELF, 24 Feb. 2026 His mother repeatedly but unsuccessfully called the jail in an attempt to intervene and get him his medication for schizoaffective disorder and hyperthyroidism, according to the lawsuit. —Ryan Oehrli february 10, Charlotte Observer, 10 Feb. 2026 See All Example Sentences for hyperthyroidism
Cite this Entry
“Hyperthyroidism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.grautoblog.com/dictionary/hyperthyroidism. Accessed 27 Apr. 2026.
Copy CitationKids Definition
hyperthyroidism
noun
hy·per·thy·roid·ism ˌhī-pər-ˈthī-ˌrȯid-ˌiz-əm
-rəd-
: abnormally high activity of the thyroid gland
also : the resulting abnormal state of health
hyperthyroid
adjective
-ˌrȯid
Medical Definition
hyperthyroidism
noun
hy·per·thy·roid·ism -ˌrȯid-ˌiz-əm, -rəd-
: 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
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