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.
Welsh Water said low-levels of cryptosporidium, a parasite which can cause stomach illnesses, were found during initial testing of the untreated water.
From BBC • May 27, 2026
Dr. Benedikt Amman, who heads the research center at Barcelona’s Hospital del Mar, has pioneered studies showing that untreated trauma can have a “global” effect on health.
From The Wall Street Journal • May 26, 2026
Male mice with increased TTP levels showed significantly lower frailty scores than untreated mice.
From Science Daily • May 19, 2026
All of those properties stand close to Coronado’s wide, sandy beaches — which means they all face challenges as waters are often fouled by the northward flow of untreated sewage from greater Tijuana.
From Los Angeles Times • May 13, 2026
In the untreated fields there was no trouble; the damage stopped at the border between treated and untreated fields.
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.
