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.

It means the elderly people who stay in homes with too few staff end up sicker, and have to go and stay in the hospital for longer.

From MarketWatch • May 5, 2026

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

From Barron's • Mar. 30, 2026

Those insurers receive a fixed monthly amount that tends to be higher for sicker beneficiaries that are expected to incur higher healthcare costs.

From The Wall Street Journal • Mar. 11, 2026

Those who lose health insurance will skip medications and primary care and subsequently get sicker and end up in the emergency room, explained Goel.

From Los Angeles Times • Feb. 1, 2026

Serena was afraid that in her absence the boy might have grown much sicker.

From "Mountains Beyond Mountains" by Tracy Kidder and Michael French