untreated
adjective
un·treat·ed
ˌən-ˈtrē-təd 
: 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
Endometriosis can worsen over time if left untreated.
—
Health, 5 Mar. 2025
The top officials estimated that the casualties would include up to 166,000 deaths from malaria, a 30% rise in new tuberculosis cases, 200,000 children paralyzed by polio over the next decade and more than a million children left untreated for severe malnutrition.
—Alex Knapp, Forbes, 5 Mar. 2025
However, the tannins in coffee can dye fabrics if left untreated.
—Hallie Milstein, Southern Living, 2 Mar. 2025
Tragically, when untreated, an astonishing four percent of postpartum psychotic mothers kill their offspring.
—Josh Hammer, Newsweek, 16 Feb. 2025
See All Example Sentences for untreated
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Health, 5 Mar. 2025
The top officials estimated that the casualties would include up to 166,000 deaths from malaria, a 30% rise in new tuberculosis cases, 200,000 children paralyzed by polio over the next decade and more than a million children left untreated for severe malnutrition.
—Alex Knapp, Forbes, 5 Mar. 2025
However, the tannins in coffee can dye fabrics if left untreated.
—Hallie Milstein, Southern Living, 2 Mar. 2025
Tragically, when untreated, an astonishing four percent of postpartum psychotic mothers kill their offspring.
—Josh Hammer, Newsweek, 16 Feb. 2025
See All Example Sentences for untreated
Cite this Entry
“Untreated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/untreated. Accessed 12 Mar. 2025.
Copy CitationMedical Definition
untreated
adjective
un·treat·ed
-ˈtrēt-əd
: not subjected to treatment
an untreated disease
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