va·​sec·​to·​mize və-ˈsek-tə-ˌmīz How to pronounce vasectomize (audio) vā-ˈzek- How to pronounce vasectomize (audio)
vasectomized; vasectomizing

transitive verb

: to perform a vasectomy on

Example Sentences

Recent Examples on the Web Once most of the male deer are sterilized, a program would need to be established to vasectomize any deer that may swim over from New Jersey, where the borough’s deer are thought to have originated. Jonathan Wolfe, New York Times, 22 Sep. 2017

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

Word History


vasectomy + -ize

First Known Use

1900, in the meaning defined above

Time Traveler
The first known use of vasectomize was in 1900

Dictionary Entries Near vasectomize

Cite this Entry

“Vasectomize.” Dictionary, Merriam-Webster, Accessed 9 Dec. 2022.

Medical Definition


transitive verb
variants or chiefly British vasectomise
vasectomized or chiefly British vasectomised; vasectomizing or chiefly British vasectomising
: to perform a vasectomy on
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