Main entry: addict, freak, nut, junkie, junky
Definition: someone who is so ardently devoted to something that it resembles an addiction
Usage: a golf addict; a car nut; a bodybuilding freak; a news junkie
Main entry: freak, monster, monstrosity, lusus naturae
Definition: a person or animal that is markedly unusual or deformed
Main entry: freak, freak out, gross out
Definition: lose one's nerve
Usage: When he saw the accident, he freaked out