mood disorder

noun

: any of several psychological disorders (such as major depressive disorder or bipolar disorder) characterized by abnormalities of emotional state

called also affective disorder

Examples of mood disorder in a Sentence

Recent Examples on the Web
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.
Daylight saving time disrupts the natural circadian rhythms of the human body, and the abrupt time change has been linked to increase risk of mood disorders and heart diseases, the organization said. Maia Pandey, jsonline.com, 28 Jan. 2026 Filbey studies how cannabis use affects sleep, pain and mood disorders such as anxiety and depression. Miriam Fauzia, Dallas Morning News, 20 Jan. 2026 Involuntary movements, mood disorders, and psychiatric symptoms of Huntington’s disease can be managed with medication, but no medical treatment or cure can slow, stop, or reverse Huntington’s disease. Heidi Moawad, Verywell Health, 19 Jan. 2026 Then Zeko and a psychiatrist tried to tackle her mood disorder with a series of seven other antidepressants. Cnn.com Wire Service, Mercury News, 15 Jan. 2026 See All Example Sentences for mood disorder

Word History

First Known Use

1969, in the meaning defined above

Time Traveler
The first known use of mood disorder was in 1969

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Cite this Entry

“Mood disorder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mood%20disorder. Accessed 4 Feb. 2026.

Kids Definition

mood disorder

noun
: any of several psychological disorders characterized by abnormalities of emotional state

Medical Definition

mood disorder

noun
: any of several psychological disorders characterized by abnormalities of emotional state and including especially major depressive disorder, dysthymia, and bipolar disorder

called also affective disorder

Last Updated: - Updated example sentences
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