metastasize
verb
me·tas·ta·size
mə-ˈta-stə-ˌsīz 
metastasized; metastasizing
: to spread or grow by or as if by metastasis
died of lung cancer which had metastasized throughout his body—
G. P. Elliott
G. P. ElliottExamples of metastasize in a Sentence
Recent Examples on the Web
Accelerated by social media and generative AI, what once took months to build can now metastasize in hours.
—Felicia Jackson, Forbes.com, 11 July 2025
What Lyne crafted in the 1980s has metastasized into a cultural operating system.
—arkansasonline.com, 10 July 2025
Book follows cancer diagnosis fueling questions about Biden's fitness for office
The release came a few days after the revelation that Biden, 82, has been diagnosed with an aggressive form of prostate cancer, one that has metastasized to the bone.
—Davis Winkie, USA Today, 21 May 2025
By Friday, he was diagnosed with cancer that had metastasized to his bones.
—Nathaniel Weixel, The Hill, 19 May 2025
See All Example Sentences for metastasize
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Felicia Jackson, Forbes.com, 11 July 2025
What Lyne crafted in the 1980s has metastasized into a cultural operating system.
—arkansasonline.com, 10 July 2025
Book follows cancer diagnosis fueling questions about Biden's fitness for office
The release came a few days after the revelation that Biden, 82, has been diagnosed with an aggressive form of prostate cancer, one that has metastasized to the bone.
—Davis Winkie, USA Today, 21 May 2025
By Friday, he was diagnosed with cancer that had metastasized to his bones.
—Nathaniel Weixel, The Hill, 19 May 2025
See All Example Sentences for metastasize
Cite this Entry
“Metastasize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/metastasize. Accessed 19 Jul. 2025.
Copy CitationKids Definition
metastasize
verb
me·tas·ta·size
mə-ˈtas-tə-ˌsīz
: 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
Paul Brodeur, The New YorkerLove words? Need even more definitions?
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