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parasitize

American  
[par-uh-si-tahyz, -sahy-] / ˈpær ə sɪˌtaɪz, -saɪ- /
especially British, parasitise

verb (used with object)

parasitized, parasitizing
  1. to live on (a host) as a parasite.


parasitize British  
/ -saɪ-, ˈpærəsɪˌtaɪz /

verb

  1. to infest or infect with parasites

  2. to live on (another organism) as a parasite

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of parasitize

First recorded in 1885–90; parasite + -ize

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

“In order to fully hijack your ability to reason, I need to parasitize both your cognitive or thinking system, as well as your emotional affective system.”

From The Wall Street Journal Jul. 10, 2026

To understand orca parasites, she had been trying to study organisms that parasitize salmon, a favorite orca prey that might pass the parasites along to the whales.

From Science Magazine May 7, 2024

Prior research into the group has suggested that they parasitize the eggs of stick insects, also known as walking sticks.

From Science Daily Sep. 19, 2023

As science journalist Rachel Nuwer writes, as many as 40 to 50 percent of all animal species are parasites, and almost every other species has at least one parasite that has evolved to parasitize it.

From Scientific American Apr. 19, 2022

Two roundworms were found to parasitize the guts of the salamanders; the parasitism looks to be benign.

From Natural History of the Salamander, Aneides hardii by Johnston, Richard F.

Surprisingly, more than 1400 of these wormy genes closely matched genes from the very mantises they parasitized.

From Science Magazine Oct. 19, 2023

The female wasp punctured the egg, laid her own egg inside and then searched for a location to bury the parasitized egg.

From Science Daily Sep. 19, 2023

Healed wounds aren’t uncommon among multiple types of fish captured in surveys, suggesting it’s possible to survive being parasitized.

From Seattle Times Sep. 23, 2022

To better understand the parasitized swarms, John Hafernik, an entomologist at San Francisco State University has recruited people countrywide to join his hunt.

From New York Times Feb. 25, 2016

Two wives who love me, a kingdom, and the chance of knocking over a whole empire of insects who have parasitized human races in space and meant to do it here.

From Valley of the Croen by Tarbell, Lee

Nematodes are among the planet's most abundant animals, "free-living" in water, soil and the Earth's crust in addition to parasitizing a large collection of plant and animal species.

From Science Daily Jun. 6, 2024

Yeah, it's this organism whose lifecycle depends on parasitizing other organisms, and it can infect pretty much all mammals.

From Salon Oct. 30, 2022

It is also terrifying in part because it preys on caregivers and loved ones, parasitizing the humanity of those who care for and come into close contact with the ill.

From Slate Oct. 14, 2014

That makes it easy to forget that more than 1,300 species hang in forests year-round, parasitizing thousands of tree species around the world.

From Scientific American Dec. 21, 2012

It's always been there, anchored in the same cells, parasitizing the same sensitive tissues that carry our olfactory nerve endings, numbing them and crippling them, making them practically useless as sensory organs.

From The Coffin Cure by Nourse, Alan Edward

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