"parasitic" in the adjective sense
1. parasitic, parasitical
relating to or caused by parasites
2. epenthetic, parasitic
of or pertaining to epenthesis
3. parasitic, parasitical, leechlike, bloodsucking
of plants or persons having the nature or habits of a parasite or leech living off another
"a wealthy class parasitic upon the labor of the masses"
"parasitic vines that strangle the trees"
"his indolent leechlike existence"
Source: WordNet® (An amazing lexical database of English)
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