parasitize

verb

par·​a·​sit·​ize ˈper-ə-sə-ˌtiz How to pronounce parasitize (audio)
-ˌsī-,
ˈpa-rə-
parasitized; parasitizing

transitive verb

: to infest or live on or with as a parasite
parasitization
ˌper-ə-sə-tə-ˈzā-shən How to pronounce parasitize (audio)
-ˌsī-
ˌpa-rə-
noun

Examples of parasitize 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.
The larvae parasitize earthworms, with adult flies emerging a few days later. Arricca Elin Sansone, Southern Living, 29 Oct. 2025 As Listers demonstrates, hobby apps such as eBird parasitize our leisure pursuits from within: The app stops being a way to engage with the hobby and instead turns the hobby into a way to engage with the app. Tyler Austin Harper, The Atlantic, 20 Oct. 2025 They are known to parasitize crustaceans and insects including praying mantids, beetles, crickets, and occasionally millipedes and centipedes, according to the study. Lauren Liebhaber, Miami Herald, 6 Oct. 2025 These have likely been parasitized by a wasp which is also helping with control. Tom MacCubbin, The Orlando Sentinel, 12 July 2025 See All Example Sentences for parasitize

Word History

First Known Use

1872, in the meaning defined above

Time Traveler
The first known use of parasitize was in 1872

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Cite this Entry

“Parasitize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/parasitize. Accessed 10 Nov. 2025.

Kids Definition

parasitize

verb
par·​a·​sit·​ize ˈpar-ə-sə-ˌtīz How to pronounce parasitize (audio)
-ˌsīt-ˌīz
parasitized; parasitizing
: to infest or live on or with as a parasite
an insect that parasitizes many mammals

Medical Definition

parasitize

transitive verb
par·​a·​sit·​ize
variants also British parasitise
parasitized also British parasitised; parasitizing also British parasitising
: to infest or live on or with as a parasite
parasitization noun
also British parasitisation
Last Updated: - Updated example sentences
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