untreated
Britishadjective
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(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.
However, if left untreated, it can become far more serious if the bacteria spreads to the organs, bloodstream or bones.
From BBC • Mar. 28, 2026
Colder nights will bring a higher risk of sharper widespread frost, particularly in rural areas, with icy patches possible on untreated surfaces.
From BBC • Mar. 24, 2026
About half were born to mothers who experienced untreated depression during or after pregnancy.
From Science Daily • Mar. 17, 2026
By nearly six months of age, when untreated mice typically have brains packed with amyloid plaques, the treated mice had no detectable plaques.
From Science Daily • Mar. 11, 2026
When I was seven, she begins, I had an intestinal disease that went untreated for lack of money to buy medicine.
From "Enrique's Journey" by Sonia Nazario
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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.