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Definitions

parasitic

[par-uh-sit-ik] / ˌpær əˈsɪt ɪk /
ADJECTIVE
like a parasite
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This same effect is experienced by millions of people worldwide who live with long-term parasitic worm infections.

From Science Daily • Mar. 28, 2026

Health officials are urging people not to handle lambs on farm visits this spring after an outbreak of a parasitic infection linked to farm animals last year left dozens sick.

From BBC • Mar. 24, 2026

The spread of New World screwworm in Mexico, a parasitic fly that can infect livestock, adds another layer of uncertainty.

From Barron's • Mar. 5, 2026

The common and highly contagious parasitic infection can cause diarrhea in animals as well as people.

From Los Angeles Times • Feb. 13, 2026

Couldn’t get the redness and the swelling out of my mind, my skin responding to the invasion of parasitic bacteria.

From "Turtles All the Way Down" by John Green




Vocabulary lists containing parasitic