untreated

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.

Treated mice had lower levels of collagen, a major component of scar tissue, than untreated mice or those that underwent a sham procedure in which the intestine was cut and reconnected without removing tissue.

From Science Daily • Mar. 18, 2026

Children of mothers with untreated depression had a higher risk of developing digestive conditions, including nausea and vomiting, functional constipation, colic, and irritable bowel syndrome.

From Science Daily • Mar. 17, 2026

The burst sent some 240 million gallons of untreated waste from toilets and sinks into the Potomac.

From The Wall Street Journal • Feb. 19, 2026

With rain about, the Met Office has warned commuters to stay vigilant due to the risk of ice forming on untreated surfaces which could lead to travel disruption.

From BBC • Feb. 15, 2026

Yes, an untreated cholera patient may eventually die from producing diarrheal fluid at a rate of several gallons per day.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond