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Parasite

UK //ˈpɛə.rə.saɪt//US //ˈpɛr.ə.saɪt//

Definition

An organism that lives in or on another living organism (the host) and benefits at the host's expense.

In simple words: An organism that lives on or in another and gets food from it.

Examples

The tick is a common parasite that feeds on the blood of mammals.
Some plants act as parasites, deriving nutrients from their host plants.
He felt like a parasite, relying on his friends for everything.
The documentary highlighted various parasites that affect human health.
In literature, a parasite often symbolizes exploitation and dependency.

Usage notes

Use 'parasite' in biological contexts or metaphorically for individuals exploiting others. Avoid in formal scientific writing without context.

Grammar pattern

standalone noun

Memory hint

Think of 'parasitic' as a 'pair' living off another's sustenance.

Collocations

intestinal parasite
blood parasite
parasitic relationship
social parasite
parasite infection

Synonyms

leech
freeloader
sponger
hanger-on
bloodsucker

Common mistakes

Confused with 'symbiotic', which implies mutual benefit.
Used incorrectly to describe non-living entities.
Sometimes mistaken for a negative personality trait without clear context.