(chiefly medicine) 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.
verb
(nonstandard, intransitive, chiefly biology) To fail to function correctly; to malfunction.
dysfunctional
dysfunctional
adj
Functioning incorrectly or abnormally; especially, designating of a business, family or social group with harmful, aberrant, strange or abnormal behavior.