parasite

US /ˈper.ə.saɪt/
UK /ˈper.ə.saɪt/
"parasite" picture
1.

parasite

an organism that lives in or on an organism of another species (its host) and benefits by deriving nutrients at the other's expense

:
Fleas are common parasites found on dogs and cats.
Les puces sont des parasites courants que l'on trouve sur les chiens et les chats.
Some fungi act as parasites on plants, causing diseases.
Certains champignons agissent comme des parasites sur les plantes, provoquant des maladies.
2.

parasite, profiteur

a person who habitually relies on or exploits others and gives nothing in return

:
He's a real parasite, always living off his parents' money.
C'est un vrai parasite, toujours à vivre aux dépens de l'argent de ses parents.
The community tried to get rid of the social parasites who contributed nothing.
La communauté a essayé de se débarrasser des parasites sociaux qui ne contribuaient à rien.