|any mental disorder, such as depression or mania, that is characterized by abnormal disturbances of mood|
|a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.|
|the offspring of a zebra and a donkey.|
affective disorder n.
Any of a group of disorders characterized by a prolonged, pervasive disturbance of mood together with a full or partial manic or depressive response that is not caused by a separate physical or mental disorder.