\ˈsik \

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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Other Words from sick


sickly adverb

Synonyms & Antonyms for sick

Synonyms: Adjective

ailing, bad, down, ill, indisposed, peaked, peaky, poorly, punk, run-down, sickened, unhealthy, unsound, unwell

Antonyms: Adjective

hale, healthful, healthy, sound, well, whole, wholesome

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Examples of sick in a Sentence


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

Camille is clearly sick over finding this dead girl’s body, especially after just witnessing the girls tampering with the memorial. Morgan Baila,, "Sharp Objects Premiere Recap: Home Is Where The Murder Is," 9 July 2018 Fishing wasn’t part of the kid’s life yet, and my father had gotten too sick to spend much time with his hobby. Jason Gay, WSJ, "A Fish-Crazy Boy and a Clueless Dad Find a Family Legacy," 5 July 2018 Assuming that Arizona Senator John McCain is too sick to vote, the Republicans will have a razor-thin margin to confirm an opponent. Jeet Heer, The New Republic, "Can Trump’s Supreme Court takeover be stopped?," 28 June 2018 Snow is on the streets and many of the families are sick with colds, coughs, and migraines. Eve Macsweeney, Vogue, "In This Is Home, a Glimpse at the Reality of Life as a Resettled Refugee in the U.S.," 22 June 2018 Six people are sick in Illinois, 11 in Indiana, 32 in Michigan, 10 in Missouri and one in Ohio. Susan Scutti, CNN, "Multistate salmonella outbreak linked to pre-cut melon," 8 June 2018 Mr Macri was elected because Argentines, sick of populist economic policies, supported his plans for reform. The Economist, "Argentina’s currency crisis is far from over," 5 July 2018 Every new loss brought more speculation that everyone was sick of each other, and obviously, there were always LeBron rumors. Andrew Sharp,, "The Rodney Hood Game and The Strange Joys of the Doomed Cavs," 7 June 2018 Though Andrew Benjamin Warhaftig had been critically ill since age 4, most of his friends and classmates were unaware that the high-achieving, music-loving, perpetually smiling math whiz was sick. Kathleen Mckenna,, "Andrew Warhaftig, 17; embraced life while fighting rare kidney disease," 28 May 2018

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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Statistics for sick

Last Updated

10 Oct 2018

Look-up Popularity

Time Traveler for sick

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

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More Definitions for sick



English Language Learners Definition of sick

: affected with a disease or illness

: of or relating to people who are ill

: very annoyed or bored by something because you have had too much of it


\ˈsik \
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 \

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

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Comments on sick

What made you want to look up sick? Please tell us where you read or heard it (including the quote, if possible).


not any or not one

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