Ill"ness (?), n. [From Ill.]
1.
The condition of being ill, evil, or bad; badness; unfavorableness.
[Obs.] "The
illness of the weather."
Locke.
2.
Disease; indisposition; malady; disorder of health; sickness; as, a short or a severe illness.
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."
© Webster 1913.