Definition of parasite
- sought to rid the palace of the parasites of his prosperity
- an intestinal parasite of humans
- a parasite that causes malaria
- That city has become a parasite on the country.
Many diseases are caused by parasites.
She's a parasite who only stays with him for the money.
These new companies are parasites feeding off the success of those who spent the last decade establishing the industry.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'parasite.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: 1539See Words from the same year
: an animal or plant that lives in or on another animal or plant and gets food or protection from it
: a person or thing that takes something from someone or something else and does not do anything to earn it or deserve it
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