parasites
par-a-sites · noun
Definitions
noun
- 1.
Organisms that live on or in a host organism, obtaining nourishment at the host's expense.
- 2.
(Figurative) People who habitually rely on or exploit others without giving anything in return.
Related words
Etymology
From Greek parasitos meaning "one who eats at another's table," from para- (beside) and sitos (food).