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

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

Typically, as health-insurance costs rise, healthier people are the most likely to forgo insurance, leaving a sicker, more costly pool of policyholders.

From The Wall Street Journal • Mar. 19, 2026

Since Medicare pays private insurers a set amount per member, the risk-adjusted model ensures companies don’t selectively choose healthy people by paying them more for sicker patients.

From Barron's • Mar. 2, 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

Then Lynn would miss me and might get sicker.

From "Kira-Kira" by Cynthia Kadohata