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Definitions

sick

[sik] / sɪk /
ADJECTIVE
not healthy, not feeling well
Synonyms
STRONG
ailing confined debilitated declining disordered down frail funny green hospitalized ill impaired imperfect incurable indisposed infected invalid mean nauseated peaked suffering tottering wobbly
WEAK
bedridden broken down defective delicate diseased feeble feverish in a bad way in poor health infirm laid-up lousy not so hot poorly qualmish queasy rickety rocky rotten run down sick as a dog under medication under the weather unhealthy unwell weak
Antonyms
STRONG
healthy perfect sound strong well
WEAK
clean content gentle happy moral nice pleased satisfied undiseased
ADJECTIVE
morbid, gross
Synonyms
WEAK
ghoulish macabre morose sadistic sickly
Antonyms
WEAK
clean content gentle happy healthy moral nice pleased satisfied undiseased well
ADJECTIVE
fed up, displeased
Synonyms
STRONG
bored disgusted jaded revolted satiated tired weary
WEAK
blasé up to here with
Antonyms
STRONG
activated fresh
WEAK
clean content gentle happy healthy moral nice pleased satisfied undiseased well

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Her group was among at least 100 people left waiting in a situation she described as "very stressful; people arguing, someone fainted, someone was sick".

From BBC • Apr. 13, 2026

On Thursday, he canceled a town hall in Palm Desert, reportedly because he was sick.

From Los Angeles Times • Apr. 10, 2026

Most people would call into work sick when they have been up all night with a bug.

From BBC • Apr. 10, 2026

"It was really brutal and, I have to say, when I woke up to the news that it had started again, in Iran, I did feel quite sick," she says.

From BBC • Apr. 8, 2026

If I am honest I think I was a little jealous, and maybe this was why I was heartily sick of hearing Mutti going on and on about her confounded elephant.

From "An Elephant in the Garden" by Michael Morpurgo