hypothyroidism

American  

[hahy-puh-thahy-roi-diz-uhm] / ˌhaɪ pəˈθaɪ rɔɪˌdɪz əm /

noun

Pathology.

1. deficient activity of the thyroid gland.

2. the condition produced by a deficiency of thyroid secretion, resulting in goiter, myxedema, and, when untreated in children, intellectual disability.

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hypothyroidism British  

/ ˌhaɪpəʊˈθaɪrɔɪˌdɪzəm /

noun

1. insufficient production of thyroid hormones by the thyroid gland

2. any disorder, such as cretinism or myxoedema, resulting from this

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hypothyroidism Scientific  

/ hī′pō-thī′roi-dĭz′əm /

1. An abnormality of the thyroid gland characterized by insufficient production of thyroid hormone, which can result in a decreased basal metabolic rate, causing weight gain and fatigue.

2. Compare hyperthyroidism

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Other Word Forms

• hypothyroid
  noun
• hypothyroid
  adjective

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Etymology

Origin of hypothyroidism

First recorded in 1900–05; hypo- + thyroid + -ism

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Example Sentences

See Examples For:

hypothyroidism

At the facility she was denied access to medications for high blood pressure, asthma, peripheral arterial disease, general anxiety and hypothyroidism, she said.

From Los Angeles Times ● Jan. 6, 2026

For instance, a mass spectrometer can measure hormone levels in the blood of someone with hypothyroidism.

From Science Daily ● Apr. 4, 2024

You may want to consult our “eGuide to Thyroid Hormones” for more information on testing for hypothyroidism, as well as drugs and supplements that can affect test results and natural hormones.

From Seattle Times ● Mar. 6, 2024

Feeling unusually cold, along with others symptoms like fatigue, can accompany hypothyroidism.

From Salon ● Sep. 11, 2023

There are, too, individuals in whom hyperthyroidism and hypothyroidism are mixed, or rather alternate.

From The Glands Regulating Personality by Louis Berman M.D.

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