Cancer Web's medical dictionary defines alcoholism as a disorder characterized by a pathological pattern of alcohol use that causes a serious impairment in social or occupational functioning. A disease is medically defined as an interrupting or disturbing the performance of vital functions, and causing or threatening pain or weakness. This says the clever book. But there are many more things, that we should knew before we start talking about alcoholism. It can last a lifetime without help and treatment.
Alcoholism is progressive.
It will not get better with time and it will not go away. It gets progressively worse and an alcoholic can relapse with only a single drink even after an extended period of sobriety. Alcoholism is incurable. A complete abstinence from alcoholic consumption. Alcoholism results in loss of control.