bipolar disorder
nounBrE BrE//ˌbaɪˈpəʊlə dɪsɔːdə(r)//; NAmE NAmE//ˌbaɪˈpoʊlər dɪsɔːrdər//
(also bipolar affective disorder) [uncountable, countable] (old-fashioned manic depression [uncountable]) (psychology) Mental and emotional problemsCheck pronunciation: bipolar disorder