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Showing results for parasitize. Search instead for parasitizes.

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  
/ ˈpærəsɪˌtaɪz, -saɪ- /

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

Until now, Brazil had only one documented case of mites that parasitize spiders, and that species belonged to a completely different family.

From Science Daily ● Jan. 28, 2026

Some kinds benefit the soil, but others parasitize crops, inflicting more than $100 billion in losses worldwide each year.

From Science Magazine ● May 25, 2023

But many parasitologists like Wood focus on multicellular metazoans: animals that encompass hundreds of thousands of species, including up to 300,000 different types of worms that parasitize vertebrates alone.

From Scientific American ● May 18, 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 Richard F. Johnston

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

“We don’t know any bees that have survived being parasitized by these maggots.”

From New York Times ● Feb. 25, 2016

The larvæ of Lepidoptera found late in the fall are very apt to be parasitized, and should be collected and kept over the winter.

From Directions for Collecting and Preserving Insects by C. V. Riley

"They could be tiny plant seeds, plant secretions or eggs from a host the wasp was parasitizing," Poinar said.

From Science Daily ● Oct. 4, 2023

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

Bed bugs are not specific to humans, but they are adapted to parasitizing us.

From Scientific American ● Jan. 23, 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 Alan Edward Nourse

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