Term: unipolar depression: a major depressive episode that occurs without the manic phase that occurs in the classic form of bipolar disorder
Broader: major depressive episode: (psychiatry) a state of depression with all the classic symptoms (anhedonia and lethargy and sleep disturbance and despondency and morbid thoughts and feelings of worthlessness and sometimes attempted suicide) but with no known organic dysfunction | Unrelated: harnessed antelope: any of several antelopes of the genus Tragelaphus having striped markings resembling a harness
Broader: major depressive episode: (psychiatry) a state of depression with all the classic symptoms (anhedonia and lethargy and sleep disturbance and despondency and morbid thoughts and feelings of worthlessness and sometimes attempted suicide) but with no known organic dysfunction | Unrelated: x-linked gene: a gene located on an X chromosome