Synonyms of parasite in English:

parasite


See US English definition of parasite

See UK English definition of parasite

See Spanish definition of parásito

noun

1‘Sam was a parasite with no interest in anything but drink and gambling’

SYNONYMS
hanger-on, leech, passenger, drone
informal bloodsucker, sponger, sponge, scrounger, freeloader
British informal ligger, cadger
North American informal moocher, mooch
Australian, New Zealand informal bludger