parasite

/ˈpær.əˌsaɪt/

Definitions

1. noun

An organism that lives on or in another organism and gets its food from or at the expense of its host.

“The doctor said the tick was a parasite and would need to be removed immediately.”

2. verb

To live on or in another organism and get one’s food from or at the expense of the host.

“The bacteria in the gut parasite the nutrients from the host.”

3. noun

A person who takes advantage of a person or situation, often without permission or for their own gain.

“The parasite of the company took advantage of the boss’s trust to embezzle funds.”

Synonyms

  • leech
  • symbiont

Antonyms

  • benefactor
  • host