c.1300, from Anglo-French weyver to abandon, waive, Old French weyver, guever to abandon, give back, probably from a Scandinavian source akin to Old Norse veifa to swing about, from Proto-Germanic *waibijanan (see waif). In Middle English legal language, used of rights, goods, or women. Related: Waived; waiving.
1. : affected with a disease or illness: ill. â sometimes used figuratively. â see also airsick, carsick, seasick. He is at home sick in bed. She is sick with the flu. I'm too sick to go to work. a sick dog. The medicine just made me sicker. The sickest patients are in intensive care.
Disease. Definition. noun, plural: diseases. An abnormal condition of an organism which interrupts the normal bodily functions that often leads to feeling of pain and weakness, and usually associated with symptoms and signs.owever, in strict sense, disease is usually protracted or prolonged, sometimes permanent. It differs from disorder that means a slight, partial or temporary irregularity in the system. Distemper is mostly associated with diseases of animals.