intransitive verb
Definition: To cling or attach oneself to someone or something, similar to how a leech attaches to a host.
Example: He tends to leech off his friends instead of being independent.
noun
Definition: A type of worm that lives in water and feeds on the blood of other animals. Some people use them in medicine to help with blood circulation.
Example: The doctor used a leech to help improve the patient's blood flow after surgery.
transitive verb
Definition: To take away someone's resources or energy, often in a way that is unfair or excessive.
Example: Some people feel that certain companies leech off their customers by charging hidden fees.