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.
Rotavirus can also sicken older children and adults with weakened immune systems. Hali Smith june 1, Idaho Statesman, 1 June 2026 Commenters quickly identified it as a death cap mushroom — the same fungi that’s sickened scores of Californians. Sacbee.com, 1 June 2026 The outbreak has sickened at least 134 people and killed 18 across Congo and Uganda, with survivors describing harsh symptoms, scarce therapies and fearful neighbors who kept their distance. Justin Kabumba, Los Angeles Times, 31 May 2026 Soon afterward, two more passengers sickened and died, and at least eight others were infected. Dhruv Khullar, New Yorker, 24 May 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 5 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

More from Merriam-Webster on sicken

Love words? Need even more definitions?

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

More from Merriam-Webster