D defs.my
Entry 3 senses Webster, 1913

Illness

/ĭl'-nəs/ · Ill·ness · IPA /ˈɪl.nəs/
01 n. The condition of being ill, evil, or bad; badness; unfavorableness.
  1. 1.
    The condition of being ill, evil, or bad; badness; unfavorableness.[Obs.]
  2. 2.
    Disease; indisposition; malady; disorder of health; sickness; as, a short or a severe illness.
  3. 3.
    Wrong moral conduct; wickedness.
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.”