\ 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)


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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.
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Recent Examples on the Web: Adjective But a study from Israel, where the third shot has already been rolled out, indicated that the vaccines' power to keep people from getting very sick with Covid-19 diminished over time. Kara Fox, CNN, 15 Sep. 2021 People who receive a vaccine dramatically lower their chance of getting sick from the virus, though in a relatively small number of cases, people may catch what's known as a breakthrough infection despite being vaccinated. Leslie Gornstein, CBS News, 15 Sep. 2021 Some fear getting sick from the vaccine or haven’t had COVID-19 yet and don’t feel a sense of urgency to get vaccinated, for instance. Clara Hendrickson, Detroit Free Press, 14 Sep. 2021 With careful planning and close attention to who in the league was getting sick, the NFL helped advance science and show us all how to live in a world with COVID-19. Los Angeles Times, 13 Sep. 2021 There just isn’t enough data, even 18 months into the pandemic, to know precisely who’s getting sick and how, particularly with kids in school. Karen Ann Cullotta,, 13 Sep. 2021 People are simply sick of hearing about GTA 5 at this point, and even avid GTA Online players are confused about what this not-free upgrade is actually supposed to be doing at this point. Paul Tassi, Forbes, 11 Sep. 2021 Having run into a toxic scene of chaos and destruction, as New York City firefighters and police officers did on Sept. 11, 2001, and getting sick because of it, may not seem like a recipe for any sort of happiness. Michael Mcauliff, Quartz, 11 Sep. 2021 Mateo was sick of throwing up and was over taking so many medications. Timothy Fanning, San Antonio Express-News, 9 Sep. 2021

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.

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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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Time Traveler for sick

Time Traveler

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

18 Sep 2021

Cite this Entry

“Sick.” Dictionary, Merriam-Webster, Accessed 20 Sep. 2021.

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More Definitions for sick



English Language Learners Definition of sick

 (Entry 1 of 2)

: affected with a disease or illness : ill
: of or relating to people who are ill
: very annoyed or bored by something because you have had too much of it



English Language Learners Definition of sick (Entry 2 of 2)

: vomit


\ 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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