- comparative of sick.
sicker
1 Americanadjective
adjective
-
safe from danger; secure.
-
dependable; trustworthy.
adverb
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
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
These enrollees tend to be sicker and poorer than those on traditional Medicare.
From MarketWatch ● Aug. 24, 2026
The Argentine researchers found that the so-called “superspreaders” had higher viral loads, were sicker and had signs of liver damage.
From The Wall Street Journal ● May 16, 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
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
Charley was a really sick dog, and due to get sicker unless I could find some way to relieve the growing pressure.
From "Travels with Charley in Search of America" by John Steinbeck
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.