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.

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

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

In untreated animals, injuries failed to close and were often fatal.

From Science Daily • Feb. 22, 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

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