Etymology
Advertisement

illness (n.)

"disease, sickness, ailment, malady," 1680s, from ill (adj.) + -ness. Earlier it meant "bad moral quality" (c. 1500).

Others are reading

Advertisement
Advertisement
Definitions of illness

illness (n.)
impairment of normal physiological function affecting part or all of an organism;
Synonyms: unwellness / malady / sickness
From wordnet.princeton.edu