parasitises

/ˈpɛrəsaɪtɪzɪz/
verb
  1. To live on or inside another organism and feed from it, causing harm to the host.
    • A tapeworm parasitises the intestines of its host.
    • The wasp parasitises caterpillars by laying its eggs inside them.
    • This fungus parasitises certain types of trees, weakening them over time.
Antonyms