metastasize

verb

me·​tas·​ta·​size mə-ˈta-stə-ˌsīz How to pronounce metastasize (audio)
metastasized; metastasizing

intransitive verb

: to spread or grow by or as if by metastasis
died of lung cancer which had metastasized throughout his bodyG. P. Elliott

Examples of metastasize 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.
Speech Changes Changes in speech may be the result of breast cancer that has metastasized to the vocal cords, the mouth, or the brain. Lana Barhum, Verywell Health, 3 Feb. 2025 After owner Jack Kent Cooke’s death in 1997, longtime fan Daniel Snyder bought the team, beginning a period of frustration and disappointment that eventually metastasized into toxicity on such a level that Congress got involved. Kyle Feldscher, CNN, 18 Jan. 2025 By the time Ricciardi finally volunteered himself for the procedure two years later (concerned about the blood that kept dribbling out of his ass), the polyps that a doctor might have found during an earlier examination had grown into a fist-sized mass and metastasized throughout his liver. David Ehrlich, IndieWire, 24 Jan. 2025 Economic fears have metastasized into grievance—this is the core finding of the 2025 Edelman Trust Barometer. Richard Edelman, TIME, 19 Jan. 2025 See All Example Sentences for metastasize

Word History

First Known Use

1907, in the meaning defined above

Time Traveler
The first known use of metastasize was in 1907

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Cite this Entry

“Metastasize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/metastasize. Accessed 5 Mar. 2025.

Kids Definition

metastasize

verb
me·​tas·​ta·​size mə-ˈtas-tə-ˌsīz How to pronounce metastasize (audio)
: to spread or grow by or as if by metastasis

Medical Definition

metastasize

intransitive verb
me·​tas·​ta·​size
variants also British metastasise
metastasized also British metastasised; metastasizing also British metastasising
: to spread by metastasis
… all ten were primary brain cancers; that is, they had originated in the brain, and not metastasized there from elsewhere in the body.Paul Brodeur, The New Yorker
metastasization noun
also British metastasisation
Last Updated: - Updated example sentences
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