bipolar disorder Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++bipolar disorder → bipolar disorder at bipolar(1) manic depressionbipolar disorder bipolar disorderBrE /ˌbaɪˈpəʊlə dɪsɔːdə(r)/ 🔊NAmE /ˌbaɪˈpoʊlər dɪsɔːrdər/ 🔊 (also ˌbiˌpolar afˌfective disˈorder) noun [uncountable, countable] (also old-fashioned ˌmanic deˈpression [uncountable] ) (psychology 心理) a mental illness causing sb to change suddenly from being extremely depressed to being extremely happy 双相型障碍;躁狂抑郁性精神病 anorexia, autism, bipolar disorder, condition, dementia, depression, mentally, paranoia, psychosis, schizophrenia