par·a·site 
/ˈperəˌsaɪt/ noun
plural par·a·sites /ˈperəˌsaɪt/ noun [count] 1 : an animal or plant that lives in or on another animal or plant and gets food or protection from it
▪ Many diseases are caused by parasites. — compare 1host 3 2 disapproving : a person or thing that takes something from someone or something else and does not do anything to earn it or deserve it
▪ She's a parasite who only stays with him for the money. ▪ These new companies are parasites feeding off the success of those who spent the last decade establishing the industry.
▪ Many diseases are caused by parasites. — compare 1host 3
▪ She's a parasite who only stays with him for the money. ▪ These new companies are parasites feeding off the success of those who spent the last decade establishing the industry.
