illness
Americannoun
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poor health; sickness.
He grew up in an environment known for poverty, illness, and little opportunity for education.
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a specific sickness or disease, or an instance of such.
Please be as accurate as possible in listing your childhood illnesses.
- Synonyms:
- infirmity, affliction, ailment
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Obsolete. wickedness.
noun
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a disease or indisposition; sickness
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a state of ill health
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obsolete wickedness
Usage
What does illness mean? Illness is a state of poor health or sickness, as in I’ve had to miss a lot of work due to illness.The word illness is also commonly used to refer to a disease or instance of sickness.This sense of the word is often used when the type of disease is uncertain or unknown or when someone doesn’t want to specify what it is, as in They said that he is in the hospital with an illness, but they didn’t provide any further details. The word illness is based on the adjective ill, meaning sick.Example: The best way to avoid illness is to thoroughly wash your hands.
Etymology
Origin of illness
Compare meaning
How does illness compare to similar and commonly confused words? Explore the most common comparisons:
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Growing older brings a higher risk of serious illnesses such as cancer, heart disease, and dementia.
From Science Daily
A psychiatrist and an attorney in San Diego say an existing statute could address severe mental illness and addiction.
From Los Angeles Times
This would be the first shot to provide protection against both illnesses in a single vaccine, the EMA said.
“While they recover from the illness or injury, a conservator may be appointed by a court to address their medical and financial needs.”
From MarketWatch
The parents of a two-year-old girl with a life-limiting illness have told of their "exhaustion" after being refused a request for respite help.
From BBC
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
