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.

If left untreated, those conditions could become life-threatening.

From BBC • Jun. 8, 2026

Left untreated, the infestation can be deadly, and the parasites can quickly spread.

From Barron's • Jun. 4, 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

When the researchers then created small wounds, the treated mice healed more quickly than untreated mice.

From Science Daily • May 20, 2026

This did not happen on nearby untreated areas.

From "Silent Spring" by Rachel Carson