adjective
Definition: Something that is very unusual or different from what is normal.
Example: The weather was a freak occurrence that surprised everyone.
noun
Definition: A person or thing that is very unusual or different from what is normal, often attracting attention or curiosity.
Example: He is a real freak when it comes to collecting rare comic books.
transitive verb
Definition: To cause someone to become very excited, upset, or irrational, often in a sudden way.
Example: The unexpected news freaked her out completely.