verb (used with object), par·a·si·tized, par·a·si·tiz·ing.
to live on (a host) as a parasite.
Also especially British, par·a·si·tise.
Origin of parasitize
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for parasitize
Historical Examples of parasitize
to infest or infect with parasites
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
To live on or in a host as a parasite.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.