Parasite: meaning, definitions and examples

an organism that lives in or on another organism (its host) and benefits by deriving nutrients at the other's expense

A parasite is an organism that lives in or on another organism (its host) and benefits by deriving nutrients at the other's expense. Parasites can be found in various forms, from microscopic bacteria to larger animals like ticks and fleas. They have developed various strategies to adapt to their host and ensure their survival.

bloodsucker, freeloader, leech, sponger

Examples of usage

• The tick is a common parasite that feeds on the blood of its host.

• Some parasites can cause serious diseases in their hosts, such as malaria.

• Parasites often have complex life cycles involving multiple hosts.

• An example of a parasitic relationship is the tapeworm living in the intestines of its host.

• Parasites can be harmful to their hosts, affecting their health and well-being.