sicker

¹ American  

[sik-er] / ˈsɪk ər /

adjective

1. comparative of sick.

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sicker ² American  

[sik-er] / ˈsɪk ər /

Or siker

adjective

1. safe from danger; secure.

2. dependable; trustworthy.

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adverb

1. certainly; without doubt.

Etymology

Origin of sicker

before 900; Middle English siker, Old English sicor; cognate with Dutch zeker, German sicher, all ≪ Latin sēcūrus; see secure

Example Sentences

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

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

My stomach felt as if I had swallowed a handful of cockleburs and I was sicker than I had ever been in my life.

From "Summer of the Monkeys" by Wilson Rawls