From Longman Dictionary of Contemporary Englishbipolarbi‧po‧lar /baɪˈpəʊlə $ -ˈpoʊlər/ adjective 1 [usually before noun] involving two opposing countries, groups etc the bipolar view of the world during the Cold War2 → bipolar disorder3 someone who is bipolar has bipolar disorder
Examples from the Corpus
bipolar• She was bipolar as well: up and down, fidgety and despondent.• In manic or bipolar depression, bouts of depression alternate with periods of excessive elation or mania of similar length.• Depression also is a symptom of other illnesses, such as bipolar disorder and schizoaffective disorder.• And, of course, mania usually alternates with depression, to form a bipolar disorder.• Realists present it as the natural response to a bipolar international system.• Dulles's policy was based on a bipolar view of the world.• They have seen a bipolar world collapse, and been shaken as a result.• The bipolar world of the 1980s, where two opposing countries held all the power, disappeared very quickly. 