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
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.
His hope is to address both scientific research and eventual treatments for central nervous system diseases, which also include autism and bipolar disorder. Danielle Chemtob, Forbes.com, 28 May 2025 In addition to multiple sclerosis and rheumatoid arthritis, the proposal passed by the state Senate would permanently extend an existing law prohibiting step therapy for schizophrenia, major depressive disorder and bipolar disorder, which was set to sunset on January 1, 2027. Katy Golvala, Hartford Courant, 23 May 2025 Other sweeps forged dramatic genetic changes affecting skin pigmentation; blood type; and susceptibility to diseases such as tuberculosis, multiple sclerosis, diabetes, celiac disease, bipolar disorder and schizophrenia. Kermit Pattison, Scientific American, 20 May 2025 In the two years since I was diagnosed with bipolar disorder, so much has changed. Cameron Esposito, Glamour, 12 May 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 6 Jun. 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

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