bipolar disorder noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of bipolar disorder noun from the Oxford Advanced American Dictionary

bipolar disorder

noun

(also bipolar affective disorder) [uncountable, countable] (also manic-depression [uncountable]) (psychology)

a mental illness causing someone to change suddenly from being extremely depressed to being extremely happy

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See bipolar disorder in the Oxford Advanced Learner's Dictionary

Check pronunciation: bipolar disorder