illness

noun ill·ness \ ˈil-nəs \
Updated on: 20 Nov 2017

Definition of illness

1 obsolete
2 a : an unhealthy condition of body or mind
b : sickness 2

Examples of illness in a Sentence

  1. Her body was not able to defend itself against illness.

  2. Hundreds of soldiers died from illness and hunger.

  3. He showed no signs of illness.

  4. Scientists have not yet found a cure for this illness.

  5. cancer, diabetes, and other illnesses

  6. She died at the age of 60 after a brief illness.

Recent Examples of illness from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'illness.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of illness

circa 1500


ILLNESS Defined for English Language Learners

illness

noun

Definition of illness for English Language Learners

  • : a condition of being unhealthy in your body or mind

  • : a specific condition that prevents your body or mind from working normally : a sickness or disease


ILLNESS Defined for Kids

illness

noun ill·ness \ ˈil-nəs \

Definition of illness for Students

1 : an unhealthy condition of the body or mind
  • Germs can cause illness.
2 : a specific sickness or disease
  • Colds are a common illness.

Medical Dictionary

illness

noun ill·ness \ ˈil-nəs \

medical Definition of illness

: an unhealthy condition of body or mind : sickness


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