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
In contrast, untreated animals showed 15-PGDH levels that were about twice as high as those of uninjured mice and developed osteoarthritis within four weeks.
From Science Daily • Jun. 12, 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
Many workers have noticed the tendency of resistant flies to rest more on untreated horizontal surfaces than on treated walls.
From "Silent Spring" by Rachel Carson
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.
