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.

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

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

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