\ ˈsik How to pronounce sick (audio) \
sicker; sickest

Definition of sick

 (Entry 1 of 2)

1a(1) : affected with disease or ill health : ailing
(2) : of, relating to, or intended for use in sickness took five sick days this month a sick ward
b : queasy, nauseated sick to one's stomach was sick in the car
c : undergoing menstruation
2 : spiritually or morally unsound or corrupt
3a : sickened by strong emotion sick with fear worried sick
b : having a strong distaste from surfeit : satiated sick of flattery
c : filled with disgust or chagrin gossip makes me sick
d : depressed and longing for something sick for one's home
4a : mentally or emotionally unsound or disordered : morbid sick thoughts
b : highly distasteful : macabre, sadistic sick jokes a sick crime
5 : lacking vigor : sickly: such as
a : badly outclassed made the competition look sick
b : incapable of producing profitable yields of a crop sick soils
6 slang : outstandingly or amazingly good or impressive Rookie was phenomenal Friday. His goal was nice, but the pass to twin brother, Chris, … was downright sick.— Roy Lang III



Definition of sick (Entry 2 of 2)


Synonyms & Antonyms for sick

Synonyms: Adjective

Antonyms: Adjective

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Examples of sick in a Sentence

Adjective He is at home sick in bed. She is sick with the flu. I'm too sick to go to work. The medicine just made me sicker. The sickest patients are in intensive care. My poor rosebush looks sick. She has been on the sick list all week. The way they treat people makes me sick. See More
Recent Examples on the Web: Adjective Denner says the patient was sick before the transplant, which also played a role in his death. Margaret Osborne, Smithsonian Magazine, 6 May 2022 Parents should also take every-day preventative actions to protect against infections, including regular handwashing, avoiding people who are sick, covering coughs and sneezes, and avoiding the touching of the eyes, nose or mouth. Arielle Mitropoulos, ABC News, 6 May 2022 In fact, many of the animals were sick or suffered from behavioral issues and required additional veterinary care costing more than $142,580, Knight said. oregonlive, 6 May 2022 The news is one of several bad headlines for the new Covid pill, but one experts say doesn’t affect the medicine’s primary use: treating people who are already sick. Matthew Herper, STAT, 4 May 2022 Over the past year her daughter — who was never sick, except for that one episode of pemphigus — had been repeatedly ill. New York Times, 27 Apr. 2022 Also avoid touching your eyes, nose or mouth with unwashed hands, and avoid close contact with people who are sick. William Thornton |, al, 26 Apr. 2022 On the other hand, older kids' toys may only need cleaning once a month or perhaps weekly if used a lot or the child or their friends are sick. Terry Baddoo, USA TODAY, 25 Apr. 2022 In the end, though, the volunteers helped Haidari wire money home to her father, who was sick. Eliza Griswold, The New Yorker, 25 Apr. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sick.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of sick


before the 12th century, in the meaning defined at sense 1a(1)


1957, in the meaning defined above

History and Etymology for sick


Middle English sek, sik, from Old English sēoc; akin to Old High German sioh sick

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The first known use of sick was before the 12th century

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Dictionary Entries Near sick

sic itur ad astra



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Statistics for sick

Last Updated

9 May 2022

Cite this Entry

“Sick.” Dictionary, Merriam-Webster, Accessed 16 May. 2022.

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More Definitions for sick


\ ˈsik How to pronounce sick (audio) \
sicker; sickest

Kids Definition of sick

1 : affected with disease or illness : not well
2 : of, relating to, or intended for use in or during illness sick pay
3 : affected with or accompanied by nausea The bobbing of the boat made me feel sick.
4 : badly upset by strong emotion I was sick with worry.
5 : annoyed or bored of something from having too much of it We were sick of his whining.
6 : filled with disgust or anger Such gossip makes me sick.


\ ˈsik How to pronounce sick (audio) \

Medical Definition of sick

1a : affected with disease or ill health
b : of, relating to, or intended for use in sickness a sick ward
c : affected with nausea : inclined to vomit or being in the act of vomiting sick to one's stomach was sick in the car
2 : mentally or emotionally unsound or disordered

More from Merriam-Webster on sick

Nglish: Translation of sick for Spanish Speakers

Britannica English: Translation of sick for Arabic Speakers


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