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.
Regenxbio objected, arguing such a new study would take years and pose an ethical problem, since untreated patients would almost certainly lose neurocognitive abilities.
From The Wall Street Journal • Jun. 22, 2026
Left untreated, the infestation can be deadly, and the parasites can quickly spread.
From Barron's • Jun. 4, 2026
Hidden plumbing errors are sending untreated household sewage into rivers, polluting waterways without residents' knowledge.
From BBC • May 26, 2026
They were more successful at identifying familiar objects, recognizing new ones, and detecting changes in their surroundings compared to untreated controls.
From Science Daily • May 26, 2026
Before examining her, he flipped through her chart—a quick sketch of her life, and a litany of untreated conditions: Sixth or seventh grade education; housewife and mother of five.
From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot
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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.