neo·​plas·​tic ˌnē-ə-ˈpla-stik How to pronounce neoplastic (audio)
: of, relating to, or constituting a tumor or neoplasia
[after French néoplastique or German neoplastisch] : of or relating to de Stijl

Example Sentences

Recent Examples on the Web Normal and neoplastic nonstem cells can spontaneously convert to a stem-like state. Ed Yong, Discover Magazine, 12 Apr. 2011 In the final moments before the propofol takes effect, my gastroenterologist attempts to assuage my anxiety — not knowing that its source isn’t my concern over neoplastic polyps but of falling prey to Bill’s mistake. New York Times, 13 May 2022 Additionally, for men, facial attractiveness may also provide cues to their ability to efficiently manage viral threats and neoplastic growth. Julia Musto, Fox News, 17 Feb. 2022 The painter next to me, Don McAree, mentioned that my geometric paintings were neoplastic. Marc Myers, WSJ, 3 Mar. 2020 But instead of giving him the steroid cream, a CVS employees gave him Fluorouracil, which is an anti-neoplastic cream used during chemotherapy to aggressively exfoliate skin cells on cancer patients. Dave Altimari,, 23 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'neoplastic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History


neo- + -plastic, after neoplasm

First Known Use

1871, in the meaning defined at sense 1

Time Traveler
The first known use of neoplastic was in 1871

Dictionary Entries Near neoplastic

Cite this Entry

“Neoplastic.” Dictionary, Merriam-Webster, Accessed 2 Feb. 2023.

Medical Definition


neo·​plas·​tic ˌnē-ə-ˈplas-tik How to pronounce neoplastic (audio)
: of, relating to, or constituting a neoplasm or neoplasia
neoplastically adverb
Last Updated: - Updated example sentences
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