Dictionary

A narcotics squad police officer.

A police spy or informer.

An unpleasant person, especially one who makes things difficult for others.

To watch; to observe.

To serve or behave as a spy or informer.

Example: “If you nark on me, I’ll rip your arms off,” said Tim to his brother, as he passed him a joint.

To annoy or irritate.

Example: It really narks me when people smoke in restaurants.

To complain.

Example: He narks in my ear all day, moaning about his problems.

(underwater diving) To suffer from impaired judgment due to nitrogen narcosis (for example, while scuba diving).

A narcissist.