untreated
Britishadjective
-
(of an illness, etc) not having been dealt with
-
not having been processed in any way
untreated sewage
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.
Behavioral testing found no meaningful differences between treated and untreated animals in movement, water consumption, anxiety-like behavior, or fecal production.
From Science Daily ● Jul. 24, 2026
But even a short gap can mean skipped medications, delayed appointments or untreated symptoms that become urgent and potentially more serious than they would otherwise have been.
From Salon ● Jul. 19, 2026
Because her endometriosis had been left untreated for so long, it had formed into frozen pelvis disease where "everything was stuck together".
From BBC ● Jul. 19, 2026
The illness generally isn’t deadly, but diarrhea—which if untreated may last a month—can cause dangerous dehydration.
From Slate ● Jul. 17, 2026
Kwadzo died one morning, probably from his untreated wound, Amari thought, or maybe from his untreated sorrow, but she could not mourn his loss.
From "Copper Sun" by Sharon M. Draper
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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.