parasitism.
Interaction between two organisms, in which one organism (the parasite) benefits and the other (the host) is harmed.
Meaning & usage
Interaction between two organisms, in which one organism (the parasite) benefits and the other (the host) is harmed.
A similar interaction between people or things.
We accused her of parasitism in taking his hard-earned money for new dresses.
These devices' energy consumption is parasitism upon the electrical grid.
Where this word comes from
From parasite + -ism. Cognate with French parasitisme and Portuguese and Spanish parasitismo.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.