hypochondriasis

noun

hy·​po·​chon·​dri·​a·​sis ˌhī-pə-kən-ˈdrī-ə-səs How to pronounce hypochondriasis (audio)
-ˌkän-
: excessive concern about one's health especially when accompanied by imagined physical ailments
specifically : illness anxiety disorder
The diagnostic criteria for hypochondriasis also require that the patient's concern about illness persist for at least six months and cause clinically significant distress or functional impairment. Arthur J. Barsky
Hypochondria, known as hypochondriasis in medical terminology, is generally defined as abnormal preoccupation with one's health and a fear of having or getting a disease despite physical evidence to the contrary. Jean Marbella

Examples of hypochondriasis in a Sentence

Recent Examples on the Web
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That’s separate from health anxiety and is also referred to as hypochondriasis. Sean Mowbray, Discover Magazine, 20 Jan. 2025 Researchers also found that hypochondriasis can impact quality of life; people without hypochondriasis were more likely to be educated, married and make more money than hypochondriacs. Kyle Melnick, Washington Post, 25 Dec. 2023

Word History

Etymology

hypochondria + -asis, variant of -iasis

First Known Use

1722, in the meaning defined above

Time Traveler
The first known use of hypochondriasis was in 1722

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Cite this Entry

“Hypochondriasis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypochondriasis. Accessed 24 Apr. 2025.

Medical Definition

hypochondriasis

noun
hy·​po·​chon·​dri·​a·​sis -ˈdrī-ə-səs How to pronounce hypochondriasis (audio)
: excessive concern about one's health especially when accompanied by imagined physical ailments
specifically : illness anxiety disorder
The diagnostic criteria for hypochondriasis also require that the patient's concern about illness persist for at least six months and cause clinically significant distress or functional impairment. Arthur J. Barsky, The New England Journal of Medicine

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