sicken

verb

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

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.
After a year of ongoing measles outbreaks that have sickened more than 2,400 people, the United States is poised to lose its status as a measles-free country. Amy Maxmen, CBS News, 22 Jan. 2026 Fourteen people were sickened in a 2016 outbreak in California. Don Sweeney, Sacbee.com, 22 Jan. 2026 The Centers for Disease Control and Prevention estimates that 18 million people have been sickened so far and that nearly 10,000 people, including 32 children, have died. Erika Edwards, NBC news, 22 Jan. 2026 Two whales also washed up on local beaches, sickened by the toxin, a first in Southern California. Erika I. Ritchie, Oc Register, 20 Jan. 2026 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 28 Jan. 2026.

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
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