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 Left untreated, these delusions, as well as the underlying mental health condition, could negatively affect their health and overall quality of life. Sherri Gordon, Health, 17 Oct. 2024 As a result, lung diseases in certain populations have gone undiagnosed and untreated. Cassandra Willyard, Scientific American, 15 Oct. 2024 Without treatment, rectal discharge may persist or worsen, especially if an undiagnosed and untreated medical condition causes it. Anna Giorgi, Verywell Health, 15 Oct. 2024 Treat the Outside If left untreated, most pumpkins begin to rot a week after carving. Nafeesah Allen, Better Homes & Gardens, 12 Oct. 2024 See all Example Sentences for untreated 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'untreated.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 31 Oct. 2024.

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

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