from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Abnormal or impaired functioning, especially of a bodily system or social group.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. 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.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (medicine) any disturbance in the functioning of an organ or body part or a disturbance in the functioning of a social group
dys- + function (Wiktionary)