untreatable
adjective
un·treat·able
ˌən-ˈtrē-tə-bəl 
: not yielding or responsive to medical treatment : not treatable
an untreatable disease
These infections cause an untreatable degeneration of the nervous system …—
Jared Diamond
Jared DiamondThe location of the cancer rendered him untreatable by further surgery.—Nancy J. Kubel
Nancy J. KubelExamples of untreatable in a Sentence
Recent Examples on the Web
This could lead to untreatable infections that spread through human, animal, and plant populations.
—Liyam Chitayat, Foreign Affairs, 28 Aug. 2025
While this should have prevented the deadly and untreatable illness from developing, New South Wales Health confirmed that he had been diagnosed with it in a July 2 release.
—Escher Walcott, People.com, 16 July 2025
Conditions once deemed untreatable—complex fractures, spinal tumors, and deformities like scoliosis (sideways curvature), kyphosis (forward curvature), or excessive lordosis (backward curvature)—are now manageable, even life-saving.
—Richard Menger Md Mpa, Forbes.com, 17 June 2025
Her great-grandmom’s sudden death due to the then untreatable disease tuberculosis caused all those hardships.
—Sweta Kaushal, Forbes, 25 Feb. 2025
See All Example Sentences for untreatable
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Liyam Chitayat, Foreign Affairs, 28 Aug. 2025
While this should have prevented the deadly and untreatable illness from developing, New South Wales Health confirmed that he had been diagnosed with it in a July 2 release.
—Escher Walcott, People.com, 16 July 2025
Conditions once deemed untreatable—complex fractures, spinal tumors, and deformities like scoliosis (sideways curvature), kyphosis (forward curvature), or excessive lordosis (backward curvature)—are now manageable, even life-saving.
—Richard Menger Md Mpa, Forbes.com, 17 June 2025
Her great-grandmom’s sudden death due to the then untreatable disease tuberculosis caused all those hardships.
—Sweta Kaushal, Forbes, 25 Feb. 2025
See All Example Sentences for untreatable
Cite this Entry
“Untreatable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/untreatable. Accessed 9 Sep. 2025.
Copy CitationMedical Definition
untreatable
adjective
un·treat·able
-ˈtrēt-ə-bəl
: not susceptible to medical treatment
untreatable patients
an untreatable disease
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