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
The Vet advises in his video that symptoms and sickness may not be immediately apparent after consuming ibuprofen.
—
Marni Rose McFall, MSNBC Newsweek, 2 July 2025
Really, who among us needs to be forced to avoid sickness or death?
—John Tamny, Forbes.com, 1 July 2025
The sickness got bad enough that Ayers returned to lower elevation to rest and recover for several days, before heading back.
—Ben Ayers, Outside Online, 1 July 2025
Maidment and Barrett found no evidence of sickness or injury that might hint at the cause of death.
—Sarah Kuta, Smithsonian Magazine, 27 June 2025
See All Example Sentences for sickness
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Marni Rose McFall, MSNBC Newsweek, 2 July 2025
Really, who among us needs to be forced to avoid sickness or death?
—John Tamny, Forbes.com, 1 July 2025
The sickness got bad enough that Ayers returned to lower elevation to rest and recover for several days, before heading back.
—Ben Ayers, Outside Online, 1 July 2025
Maidment and Barrett found no evidence of sickness or injury that might hint at the cause of death.
—Sarah Kuta, Smithsonian Magazine, 27 June 2025
See All Example Sentences for sickness
Cite this Entry
“Sickness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sickness. Accessed 21 Jul. 2025.
Copy CitationKids Definition
sickness
noun
sick·ness
ˈsik-nəs 
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