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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.

At first it was only a slight increase in the hoarseness, as if I’d been sick with a head cold.

From Slate • Apr. 18, 2026

Simmons praised DoorDash for offering her the “flexibility” that allows her to take care of her sick husband and family as she scrapes for “every extra dollar.”

From Salon • Apr. 17, 2026

Some workers tell her they’re owed wages or they weren’t paid for sick days.

From Los Angeles Times • Apr. 17, 2026

On April 9, his campaign canceled a town hall in the Coachella Valley, saying he was sick.

From The Wall Street Journal • Apr. 16, 2026

Anna looked pale and sick, but her voice was strong.

From "Nory Ryan’s Song" by Patricia Reilly Giff