Bipolar disorder is a condition characterized by extreme mood swings that range from emotional highs to depressive lows. It is a mental disorder that affects an individual's mood, energy, and behavior. While the term bipolar disorder is commonly used, there are equivalent terms that describe the condition. Some of the synonyms for bipolar disorder include manic-depressive disorder, bipolar affective disorder, and bipolar illness. Other terms such as bipolar spectrum disorder, cyclothymia, and manic-depressive illness may also be used to describe the condition. Regardless of the terminology used, it is crucial to recognize that bipolar disorder is a treatable mental health condition that warrants proper diagnosis and treatment.