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
The treated animals performed better on memory tests and showed fewer beta-amyloid plaques than untreated mice.
From Science Daily • Jun. 19, 2026
Left untreated, the infestation can be deadly, and the parasites can quickly spread.
From Barron's • Jun. 4, 2026
At the same time, dissolved salts and minerals are guided away from the active area and deposited onto untreated sections of the panel called passive regions.
From Science Daily • May 31, 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
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.
