sicken

1 of 2

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

sickener

2 of 2

noun

sick·​en·​er -k(ə)nə(r) How to pronounce sickener (audio)
plural -s
: something that tends to sicken or disgust : a sickening blow : overdose

Examples of sicken in a Sentence

Verb 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
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Verb
Never mix chlorine bleach with vinegar or hydrogen peroxide, as the combination produces a toxic gas that can sicken or kill humans and animals. Jolie Kerr, Better Homes & Gardens, 22 June 2026 These pathogens can sicken swimmers with diseases of the skin, eyes, ears, and respiratory tract. Christopher Edwards, PEOPLE, 19 June 2026 But screwworms sicken all kinds of warm-blooded mammals, including, less commonly, humans. Kara Finnstrom, CBS News, 18 June 2026 The disease has sickened humans for thousands of years and wiped out a significant chunk of Europe's population in the 14th century during what's known as the Black Death. ABC News, 17 June 2026 See All Example Sentences for sicken

Word History

First Known Use

Verb

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 26 Jun. 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

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