Definitions

sicker

[sik-er] / ˈsɪk ər /

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

BROKEN: target entry 'broken down' discarded bedridden 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.

When health-insurance prices rise, younger, healthier people are more likely to drop coverage, leaving a greater proportion of sicker people who are costlier for insurers.

From The Wall Street Journal • Apr. 15, 2026

In the current system, premiums are calculated by assessing the full pool of enrollees, including those who are older and sicker and tend to spend more on medical care.

From MarketWatch • Mar. 30, 2026

But Rosie got sicker and a biopsy showed in 2024 that she did have terminal cancer.

From Barron's • Mar. 30, 2026

“I think he’s running out of steam,” a few of my D.C. happy hour comrades confessed Wednesday after the hearings, “Or he’s really sicker than he lets on.”

From Salon • Feb. 13, 2026

They kept a cool damp cloth on her forehead and she got weaker and sicker.

From "Cannery Row" by John Steinbeck