1
a
: ill health : illness
b
: a disordered, weakened, or unsound condition
2
: a specific disease
3
: nausea, queasiness
Examples of sickness in a Sentence
He died from an unknown sickness.
she was plagued by sickness most of her adult life
Recent Examples on the Web
Usually, such situations are due to some sort of island sickness or reward feast over-indulgence after weeks of not eating normal food.
—
Dalton Ross, Entertainment Weekly, 5 Mar. 2026
The goal is finding a new way to treat addictions, which are a leading cause of sickness and death around the world.
—ABC News, 4 Mar. 2026
There had been speculation that MacKinnon was playing through either injury or sickness or both during the tournament.
—Corey Masisak, Denver Post, 2 Mar. 2026
Thankfully, my sickness is over.
—Donna Vickroy, Chicago Tribune, 27 Feb. 2026
See All Example Sentences for sickness
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Dalton Ross, Entertainment Weekly, 5 Mar. 2026
The goal is finding a new way to treat addictions, which are a leading cause of sickness and death around the world.
—ABC News, 4 Mar. 2026
There had been speculation that MacKinnon was playing through either injury or sickness or both during the tournament.
—Corey Masisak, Denver Post, 2 Mar. 2026
Thankfully, my sickness is over.
—Donna Vickroy, Chicago Tribune, 27 Feb. 2026
See All Example Sentences for sickness
Cite this Entry
“Sickness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sickness. Accessed 10 Mar. 2026.
Copy CitationKids Definition
sickness
noun
sick·ness
ˈsik-nəs 
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