1
a
b
: an unhealthy condition of body or mind
2
Examples of illness in a Sentence
Her body was not able to defend itself against illness.
Hundreds of soldiers died from illness and hunger.
He showed no signs of illness.
Scientists have not yet found a cure for this illness.
cancer, diabetes, and other illnesses
She died at the age of 60 after a brief illness.
Recent Examples on the Web
Her face, framed by blond, braided pigtails, showed no sign of illness.
—
Tom Bartlett, The Atlantic, 11 Mar. 2025
Additionally, millions of adults and children are still feeling the effects of their illness and have been diagnosed with long COVID.
—Mary Kekatos, ABC News, 11 Mar. 2025
All are broad-spectrum antibiotics used to treat many different types of bacterial illness.
—Sandee Lamotte, CNN, 11 Mar. 2025
Often, communities of color, the elderly, and those with limited resources faced higher infection rates, more severe illness, and greater economic hardship.
—Bernadette Boden Albala, Forbes, 10 Mar. 2025
See All Example Sentences for illness
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Tom Bartlett, The Atlantic, 11 Mar. 2025
Additionally, millions of adults and children are still feeling the effects of their illness and have been diagnosed with long COVID.
—Mary Kekatos, ABC News, 11 Mar. 2025
All are broad-spectrum antibiotics used to treat many different types of bacterial illness.
—Sandee Lamotte, CNN, 11 Mar. 2025
Often, communities of color, the elderly, and those with limited resources faced higher infection rates, more severe illness, and greater economic hardship.
—Bernadette Boden Albala, Forbes, 10 Mar. 2025
See All Example Sentences for illness
Cite this Entry
“Illness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/illness. Accessed 15 Mar. 2025.
Copy CitationKids Definition
illness
noun
ill·ness
ˈil-nəs 
1
: an unhealthy condition of body or mind
2
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