dys

‖n. [ NL., fr. Gr. dys- ill, bad + &unr_; to perceive, to feel. ] (Med.) Impairment of any of the senses, esp. of touch. [ 1913 Webster ]

‖n. [ NL. dyscrasia, fr. Gr. dyskrasi`a; dys- bad + kra^sis mixture, fr. keranny`nai to mix: cf. F. dycrasie. ] (Med.) An ill habit or state of the constitution; -- formerly regarded as dependent on a morbid condition of the blood and humors. [ 1913 Webster ]

n. [ Gr. &unr_; bad + &unr_; compound. ] (Min.) A mineral consisting of antimony and silver. [ 1913 Webster ]

n.; pl. Discrasies Dycrasia. [ 1913 Webster ]

Sin is a cause of dycrasies and distempers. Jer. Taylor.

{ } a. [ L. dysentericus, Gr. &unr_;; cf. F. dysentérigue. ] Of or pertaining to dysentery; having dysentery; as, a dysenteric patient. “Dysenteric symptoms.” Copland. [ 1913 Webster ]

n. [ L. dysenteria, Gr. &unr_;; dys- ill, bad + &unr_;, pl. &unr_;, intestines, fr. 'ento`s within, fr. &unr_; in, akin to E. in: cf. F. dysenterie. See Dys, and In. ] (Med.) A disease attended with inflammation and ulceration of the colon and rectum, and characterized by griping pains, constant desire to evacuate the bowels, and the discharge of mucus and blood. [ 1913 Webster ]

☞ When acute, dysentery is usually accompanied with high fevers. It occurs epidemically, and is believed to be communicable through the medium of the alvine discharges. [ 1913 Webster ]

adj. 1. impaired in function; especially of a bodily system or organ. [ WordNet 1.5 ]

2. (Psychol.) failing to serve an adjustive purpose; -- of a trait or condition; as, dysfunctional behavior.
Syn. -- nonadaptive. [ WordNet 1.5 ]

a. Not procreating or breeding freely; as, one race may be dysgenesic with respect to another. Darwin. [ 1913 Webster ]