dysfunction /dɪsˈfʌŋk.ʃən/noun 1verb 1forms 3 noun1 •A failure to function in an expected or complete manner. Usually refers to a disorder in a bodily organ (e.g. erectile dysfunction), a mental disorder, or the improper behavior of a social group.We next consider the cognification of interpersonal dysfunctions in treating clinical depression. — 2005 verb1 •(nonstandard) To fail to function correctly; to malfunction. formsdysfunctioned · dysfunctioning · dysfunctions