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
Synonyms
Examples of untreated in a Sentence
untreated wool
Recent Examples on the Web
If left untreated, a UTI can ascend into the kidneys and result in the kidney infection pyelonephritis, Kim said.
—
Kristen Rogers, CNN, 15 Dec. 2024
Of these, 1 in 2 women and 1 in 4 men with low bone mass will break a bone if osteoporosis is left untreated.
—Nina Shapiro, Forbes, 14 Dec. 2024
Left untreated, this can result in a rupture and life-threatening sepsis.
—Stephan Pechdimaldji, Newsweek, 13 Dec. 2024
The mounting oppression and untreated psychosis come together to tell the origin story of a haunted house.
—Anthony D'alessandro, Deadline, 10 Dec. 2024
See all Example Sentences for untreated 
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.
Kristen Rogers, CNN, 15 Dec. 2024
Of these, 1 in 2 women and 1 in 4 men with low bone mass will break a bone if osteoporosis is left untreated.
—Nina Shapiro, Forbes, 14 Dec. 2024
Left untreated, this can result in a rupture and life-threatening sepsis.
—Stephan Pechdimaldji, Newsweek, 13 Dec. 2024
The mounting oppression and untreated psychosis come together to tell the origin story of a haunted house.
—Anthony D'alessandro, Deadline, 10 Dec. 2024
See all Example Sentences for untreated
Dictionary Entries Near untreated
Cite this Entry
“Untreated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/untreated. Accessed 21 Dec. 2024.
Copy CitationMedical Definition
untreated
adjective
un·treat·ed
-ˈtrēt-əd
: not subjected to treatment
an untreated disease
Love words? Need even more definitions?
Merriam-Webster unabridged
Share