sicken

verb

sick·​en ˈsi-kən How to pronounce sicken (audio)
sickened; sickening ˈsi-kə-niŋ How to pronounce sicken (audio)
ˈsik-niŋ

intransitive verb

1
: to become sick
2
: to become weary or satiated

transitive verb

1
: to make sick
2
: to cause revulsion in
their prejudice sickens me
sickener
ˈsi-kə-nər How to pronounce sicken (audio)
ˈsik-nər
noun

Examples of sicken in a Sentence

Many people sickened and died on the long voyage. The bacteria in the drinking water sickened the whole village. We were sickened by the reports of violence.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Influencer content promoting the consumption of raw milk has grown prolific online, even as outbreaks of foodborne illnesses linked to unpasteurized dairy have recently sickened consumers across the country. Angie Leventis Lourgos, Chicago Tribune, 31 Aug. 2025 But screwworms aren't the only dangerous pathogens sickening Americans this summer. N'dea Yancey-Bragg, USA Today, 28 Aug. 2025 Across the Harlem River, at least six people have died and more than 100 have been sickened recently in a Legionnaires' cluster that has plagued the area this summer. Rebecca Cohen, NBC news, 26 Aug. 2025 People are generally sickened by Naegleria fowleri after swimming in freshwater, like a lake or river, when there’s been a period of hot weather that causes warmer temperatures and lower water levels. Charlotte Phillipp, People.com, 21 Aug. 2025 See All Example Sentences for sicken

Word History

First Known Use

13th century, in the meaning defined at intransitive sense 1

Time Traveler
The first known use of sicken was in the 13th century

Browse Nearby Words

Cite this Entry

“Sicken.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sicken. Accessed 9 Sep. 2025.

Kids Definition

sicken

verb
sick·​en ˈsik-ən How to pronounce sicken (audio)
sickened; sickening -(ə-)niŋ How to pronounce sicken (audio)
: to make or become sick

Medical Definition

sicken

transitive verb
sick·​en ˈsik-ən How to pronounce sicken (audio)
: to make sick

intransitive verb

: to become sick

More from Merriam-Webster on sicken

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!