noncancerous
adjective
non·can·cer·ous
ˌnän-ˈkan(t)s-rəs 
-ˈkan(t)-sə-
: not affected with or being cancer
noncancerous patients
noncancerous tumors
Examples of noncancerous in a Sentence
Recent Examples on the Web
In addition to fibroids, there are many other reasons a provider may recommend a hysterectomy, such as adenomyosis, which is also noncancerous and causes heavy and painful periods, explained Tang.
—
Sandra Rose Salathe, Flow Space, 15 May 2026
Cancerous lesions had significantly higher levels of hemoglobin and lower levels of oxygen than noncancerous tissue.
—Quing Zhu, The Conversation, 6 Apr. 2026
Researchers have proposed several explanations, such as the fact that Black women have higher rates of fibroids—noncancerous growths that can interfere with embryo implantation, the delicate process by which an embryo burrows into the uterine lining and stays there.
—Sarah Elizabeth Richards, Scientific American, 2 Apr. 2026
While 90% of the tumors had microplastics, 70% of noncancerous samples did, too.
—Erika Edwards, NBC news, 2 Apr. 2026
See All Example Sentences for noncancerous
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Sandra Rose Salathe, Flow Space, 15 May 2026
Cancerous lesions had significantly higher levels of hemoglobin and lower levels of oxygen than noncancerous tissue.
—Quing Zhu, The Conversation, 6 Apr. 2026
Researchers have proposed several explanations, such as the fact that Black women have higher rates of fibroids—noncancerous growths that can interfere with embryo implantation, the delicate process by which an embryo burrows into the uterine lining and stays there.
—Sarah Elizabeth Richards, Scientific American, 2 Apr. 2026
While 90% of the tumors had microplastics, 70% of noncancerous samples did, too.
—Erika Edwards, NBC news, 2 Apr. 2026
See All Example Sentences for noncancerous
Cite this Entry
“Noncancerous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/noncancerous. Accessed 29 May. 2026.
Copy CitationMedical Definition
noncancerous
adjective
non·can·cer·ous
-ˈkan(t)s-(ə-)rəs
variants
or non-cancerous
: not affected with or being cancer : not cancerous
noncancerous patients
noncancerous tumors
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