bipolar disorder

NOUN

manic-depressive illness

Synonyms

WEAK

bipolar affective disorder bipolar illness manic-depression manic-depressive disorder manic-depressive psychosis

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.

He attributed his behaviour to a "manic episode" brought on by bipolar disorder.

From Barron's • Jun. 2, 2026

Laurent McNamara lived with bipolar disorder - characterised by extreme shifts in mood, and impulsive, sometimes reckless, behaviour.

From BBC • May 26, 2026

Turner, labeled “Captain Outrageous” for his erratic behavior, had once been thought to have bipolar disorder.

From The Wall Street Journal • May 6, 2026

West added that he had "lost touch with reality" because of his bipolar disorder.

From BBC • Apr. 17, 2026

We can’t go back in time and diagnose him, but from here it looks like a form of epilepsy or, most likely, the beginnings of bipolar disorder, which is also known as manic depression.

From "Vincent and Theo: The Van Gogh Brothers" by Deborah Heiligman