hypothyroidism

noun

hy·​po·​thy·​roid·​ism ˌhī-pō-ˈthī-ˌrȯi-ˌdi-zəm 

: 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

While there is no specific diet to treat or prevent hypothyroidism, certain food choices may help support healthy thyroid function. —Jamie Johnson, Verywell Health, 17 Jan. 2025

When someone has hypothyroidism, symptoms may range from mild to severe, Alexander says. —Caroline C. Boyle, USA TODAY, 17 Jan. 2025

Accident and illness policy The most common type of plan, accident and illness policies add coverage for diseases like respiratory infections, cancer, arthritis, hypothyroidism, ear infections and urinary tract infections. —Liz Knueven, CNBC, 31 Dec. 2024

Because some evidence shows that not everyone on levothyroxine has hypothyroidism—sometimes people with normal hormone levels take it for hypothyroidism symptoms—patients may want to review their diagnosis and treatment goals with their provider, Ghotbi said. —Kristen Fischer, Health, 7 Dec. 2024

Word History

Etymology

International Scientific Vocabulary

First Known Use

1905, in the meaning defined above

Kids Definition

hypothyroidism

noun

hy·​po·​thy·​roid·​ism ˌhī-pō-ˈthī-ˌrȯid-ˌiz-əm 

: 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 

: deficient activity of the thyroid gland

also : a resultant bodily condition characterized by lowered metabolic rate and general loss of vigor