noun.
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.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
(medicine) any disturbance in the functioning of an organ or body part or a disturbance in the functioning of a social group
Word Usage
"I used the word dysfunction earlier for a reason when referencing your family, because it is clear to me that your family has been defective for years."