n. [ From Ill. ] 1. The condition of being ill, evil, or bad; badness; unfavorableness. [ Obs. ] “The illness of the weather.” Locke. [ 1913 Webster ]

2. Disease; indisposition; malady; disorder of health; sickness; as, a short or a severe illness. [ 1913 Webster ]

3. Wrong moral conduct; wickedness. Shak.

Syn. -- Malady; disease; indisposition; ailment. -- Illness, Sickness. Within the present century, there has been a tendency in England to use illness in the sense of a continuous disease, disorder of health, or sickness, and to confine sickness more especially to a sense of nausea, or “sickness of the stomach.” [ 1913 Webster ]