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.

Melanoma is the most serious form of skin cancer and, untreated, can be deadly.

From BBC • May 21, 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 contrast, liver cancer appeared in 2 out of 8 untreated aging mice.

From Science Daily • May 9, 2026

She added: "Our monitoring of untreated and treated water shows no evidence of these substances being present in our supply."

From BBC • May 3, 2026

This did not happen on nearby untreated areas.

From "Silent Spring" by Rachel Carson