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

For women, that could include greater attention to managing depression, increasing physical activity, and improving cardiovascular health, especially untreated hypertension.

From Science Daily • May 20, 2026

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

From Science Daily • May 20, 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

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