Synonyms and antonyms of Parasites in British Thesaurus

cryptosporidium (noun)

a parasite found in water that causes stomach infections

flea (noun)

a small jumping insect that lives on animals and bites them

hookworm (noun)

a long thin creature that lives in the intestines of humans and other animals, and that can cause disease

host (noun)

biology a plant or animal that has another plant or animal, called a parasite, living on it

leech (noun)

a small soft creature that sticks to the skin of other animals in order to feed on their blood. Leeches were often used in the past as a type of medical treatment.

lice (noun)

small insects that live on people’s skin and in their hair. Lice is the plural of louse.

louse (noun)

a small insect that lives on the bodies of animals and people

mite (noun)

a very small insect that lives in foods, on plants, or on animals

parasite (noun)

biology a plant or animal that lives in or on another type of animal and feeds on it

roundworm (noun)

a small worm that lives in the stomachs of people and some animals

tapeworm (noun)

a long flat worm that can live inside someone’s body and make them very ill

tick (noun)

an insect that sucks your blood

varroa mite (noun)

a very small insect that is a parasite of honey bees and gives them a disease called varroatosis that kills them

worms (noun)

small creatures that look like worms and live inside the body of a person or animal and make them ill