manic-depressive

adjective

: characterized by or affected with either mania or depression or alternating mania and depression (as in bipolar disorder)
manic-depressive noun

Examples of manic-depressive 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.
Long before this, he had also been diagnosed as having manic-depressive bipolar disorder. Doreen St. Félix, The New Yorker, 7 Aug. 2023 Everything is fine and dandy until Meadow spends the weekend at home, leaving Noah to deal with her manic-depressive roommate, Caitlin. Austin Perry Outkick, FOXNews.com, 10 June 2026 The writer-director is currently developing a feature about a male friendship destroyed by manic-depressive illness as well as a miniseries. Alissa Simon, Variety, 3 July 2025 Bipolar disorder is a manic-depressive illness of the brain that causes extreme changes in mood and energy levels, according to the National Institute of Mental Health. Vanessa Etienne, PEOPLE, 17 June 2026

Word History

Etymology

manic + depressive entry 1, after German manisch-depressiv

First Known Use

1902, in the meaning defined above

Time Traveler
The first known use of manic-depressive was in 1902

Browse Nearby Words

Cite this Entry

“Manic-depressive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/manic-depressive. Accessed 7 Jul. 2026.

Medical Definition

manic-depressive

1 of 2 adjective
: characterized by or affected with either mania or depression or alternating mania and depression (as in bipolar disorder)

manic-depressive

2 of 2 noun
: a manic-depressive individual
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