Noun nark has 2 senses
- nark, copper's nark - an informer or spy working for the police
 --1 is a kind of informer, betrayer, rat, squealer, blabber
 
- narc, nark, narcotics agent - a lawman concerned with narcotics violations
 --2 is a kind of lawman, law officer, peace officer
 
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Verb nark has 2 senses
- annoy, rag, get to, bother, get at, irritate, rile, nark, nettle, gravel, vex, chafe, devil - cause annoyance in; disturb, especially by minor irritations; "Mosquitoes buzzing in my ear really bothers me"; "It irritates me that she never closes the door after she leaves"
 --1 is one way to displease
 Sample sentence:
 The performance is likely to nark Sue
 
- nark - inform or spy (for the police)
 --2 is one way to inform
 Sample sentence:
 Somebody ----s
 
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