precancerous

adjective

pre·​can·​cer·​ous (ˌ)prē-ˈkan(t)s-rəs How to pronounce precancerous (audio)
-ˈkan(t)-sə-
: tending to become cancerous
a precancerous lesion

Examples of precancerous in a Sentence

Recent Examples on the Web
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.
Regular screening plays a key role in identifying and removing precancerous polyps and early-stage cancers, when treatment is most effective. Adaira Landry, Forbes.com, 13 June 2025 These and other screenings can help catch cancer or even precancerous growths as early as possible. Richard Goldberg, Chicago Tribune, 9 June 2025 But its sensitivity for detecting precancerous growths in the colon was much lower, at 13%. Nicole Cobler, Axios, 4 Feb. 2025 In many ways, the online community has helped support me through some of my darkest days—like when doctors found precancerous cells on my tongue 14-months after the first surgery. Thomas G. Moukawsher, MSNBC Newsweek, 13 Apr. 2025 See All Example Sentences for precancerous

Word History

Etymology

International Scientific Vocabulary

First Known Use

1879, in the meaning defined above

Time Traveler
The first known use of precancerous was in 1879

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Cite this Entry

“Precancerous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/precancerous. Accessed 12 Jul. 2025.

Medical Definition

precancerous

adjective
pre·​can·​cer·​ous -ˈkan(t)s-(ə-)rəs How to pronounce precancerous (audio)
: tending to become cancerous : premalignant
a precancerous lesion
Last Updated: - Updated example sentences
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