Definition of "narc"

narc¹

/nɑːk/

noun
plural narcs
1. (informal, colloquial, drugs) A police officer or federal agent assigned to or engaging in illegal narcotics control.

narc²

/nɑːk/

noun
plural narcs
1. (informal, colloquial, drugs) Alternative spelling of nark (“spy”)
verb
third-person singular simple present narcs, present participle narcing, simple past and past participle narced
1. (informal, colloquial, drugs) Alternative spelling of nark

narc³

/nɑːk/

verb
third-person singular simple present narcs, present participle narcing, simple past and past participle narced
1. (underwater diving, slang) To suffer from impaired judgment due to nitrogen narcosis (for example, while scuba diving).

narc⁴

/nɑːk/

noun
plural narcs
1. (colloquial, informal) A narcissist.