Main Entry: par·a·sit·ize Variant: also Britishpar·a·sit·ise/-s&-"tIz, -"sIt-"Iz/ Function: transitiveverb Inflected Forms: -izedalso British-ised; -iz·ingalso British-is·ing : to infest or live on or with as aparasite —par·a·sit·iza·tionalso Britishpar·a·sit·isa·tion/"par-&-s&t-&-'zA-sh&n,-"sIt-/noun