Illness definition

ĭlnĭs
Frequency:
A disease.
noun
4
2
Poor health resulting from disease of body or mind; sickness.
noun
4
3
The condition of being ill, or in poor health; sickness; disease.
noun
4
4
Illness is defined as a sickness or disease, or to a period of sickness and disease.

A cold or a virus is an example of an illness.

noun
0
0
Poor health resulting from disease of body or mind; sickness.
noun
0
0
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A disease.
noun
0
0
The quality of being disagreeable or unpleasant.
noun
0
0
Evil; wickedness.
noun
0
0
(countable) An instance of a disease or poor health.
noun
0
0
(uncountable) A state of bad health or disease.
noun
0
0
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(obs.) Wickedness.
noun
6
7

Other Word Forms

Noun

Singular:
illness
Plural:
illnesses

Origin of illness

  • From ill +‎ -ness.

    From Wiktionary