bipolar disorder

noun

: any of several psychological disorders of mood characterized usually by alternating episodes of depression and mania

called also bipolar illness, manic depression

Examples of bipolar disorder in a Sentence

Recent Examples on the Web
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The Bonobos co-founder and then-CEO was diagnosed with bipolar disorder at age 20. Tom Huddleston Jr., CNBC, 21 Mar. 2025 Joseph Awuah-Darko, a British-Ghanaian artist, was diagnosed with bipolar disorder and has documented his decades-long battle with mental health on social media. Vanessa Etienne, People.com, 14 Mar. 2025 The flip side was mood swings, which Mical, who is now a nurse, thinks could have been diagnosed as bipolar disorder. Mark Sundeen, Outside Online, 7 Jan. 2025 People with a history of seizure disorders, liver issues, bipolar disorder, or pernicious anemia should consult with their doctor before taking a methylated multivitamin. Allison Futterman, Discover Magazine, 7 Jan. 2025 See All Example Sentences for bipolar disorder

Word History

First Known Use

1972, in the meaning defined above

Time Traveler
The first known use of bipolar disorder was in 1972

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Cite this Entry

“Bipolar disorder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bipolar%20disorder. Accessed 28 Mar. 2025.

Kids Definition

bipolar disorder

noun
: any of several psychological disorders of mood characterized by alternating episodes of depression and mania

Medical Definition

bipolar disorder

noun
: any of several mood disorders characterized usually by alternating episodes of depression and mania

Note: The mania experienced in bipolar disorder may be of the euphoric or irritable type or both.

called also bipolar affective disorder, bipolar illness, manic depression, manic-depressive illness

compare major depressive disorder

More from Merriam-Webster on bipolar disorder

Last Updated: - Updated example sentences
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