parasites
word · lemma: parasite
Definition
Living things that survive by living on or inside other living beings and taking their food or resources, often harming the host. The word can also be used for people who take advantage of others without giving anything back.
Usage & Nuances
Most commonly used in biology for organisms like worms or protozoa, but also used figuratively for people who exploit others. Typical collocations: 'internal parasites', 'parasitic infection'. Less formal when referring to people.
Example Sentences
Parasites can live inside animals or humans.
basic
Some parasites are too small to see without a microscope.
basic
Parasites need a host to survive.
basic
Doctors sometimes find parasites during a routine checkup.
natural
Certain parasites can make you feel tired all the time.
natural
People who only take and never give are sometimes called parasites.
natural