1. living on or in another organism and getting food from it
Usage: biology
2. depending on others for support without giving anything in return

Examples

• The parasitic worm lives in the host’s intestines.
• Mistletoe is a parasitic plant that grows on trees.
• Fleas are parasitic insects that feed on animal blood.
• His parasitic lifestyle depended entirely on his wealthy friends.
• The company had a parasitic relationship with its suppliers.
• Parasitic infections are common in tropical regions.
• She criticized his parasitic behavior toward his parents.