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mood disorder

American  
[mood-dis-awr-der] / ˈmud dɪsˌɔr dər /

noun

plural

mood disorders
  1. Psychiatry. any of various conditions characterized by abnormally high or low mood or random mood shifts.


mood disorder Scientific  
/ mo̅o̅d /
  1. Any of a group of psychiatric disorders, including depression and bipolar disorder, characterized by a pervasive disturbance of mood.

  2. Also called affective disorder


Other Word Forms

  • mood-disordered adjective

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In other words, there was no way to be certain on the basis of the studies whether the observed health problems were caused by SSRIs, the underlying mood disorder or some other factor.

From Los Angeles Times • Jul. 23, 2025

PMDD, which is a severe cyclical, hormone-based mood disorder linked to periods, is thought to affect more than one in 20 women.

From BBC • Apr. 24, 2025

In 2022 the committee in charge of the DSM restored the diagnosis of unspecified mood disorder for conditions that don’t fully meet the standards of depression or bipolar.

From Slate • Sep. 29, 2024

After completing the Composite International Diagnostic Interview, a fully structured and validated diagnostic tool to establish mood disorder diagnoses, 241 participants were included in the study.

From Science Daily • Oct. 25, 2023

There were also signs that my grandfather may have suffered from a mood disorder.

From "Americanized" by Sara Saedi