untreated

adjective

un·​treat·​ed ˌən-ˈtrē-təd How to pronounce untreated (audio)
: not treated
untreated wastewater
especially : not improved or controlled medically
an untreated case of pneumonia
untreated diabetic patients

Examples of untreated in a Sentence

untreated wool
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That would quickly turn many roads snow-covered, leading to dangerous traveling conditions on untreated surfaces, according to the statement. Todd Karpovich, Baltimore Sun, 16 Jan. 2025 The business case for investing in pediatric surgery is the extraordinary returns brought by alleviating the long-term economic burden of untreated conditions. William Jones, USA TODAY, 12 Jan. 2025 Freezing fog can limit visibility to three miles or less as well as create slick spots on untreated bridges and overpasses, according to the weather service. Lillie Davidson, Fort Worth Star-Telegram, 11 Jan. 2025 Read on to learn why there’s plenty of risk—and zero benefit—to forgoing tap for untreated sources. Erica Sloan, SELF, 10 Jan. 2025 See all Example Sentences for untreated 

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of untreated was in the 15th century

Dictionary Entries Near untreated

Cite this Entry

“Untreated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/untreated. Accessed 20 Jan. 2025.

Medical Definition

untreated

adjective
un·​treat·​ed -ˈtrēt-əd How to pronounce untreated (audio)
: not subjected to treatment
an untreated disease

More from Merriam-Webster on untreated

Last Updated: - Updated example sentences
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