narc | nark

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Meaning: a narcotics officer, a police officer working in drug trade suppression

For example:

• The narcs raided the dealer's apartment after being tipped off by his neighbours.
• There are a lot of narks working at the airport.

Origin: short for "narcotic", meaning a powerful pain-relieving drug like heroin or morphine 

Quick Quiz:

A narc is someone who

sells narcotic drugs uses narcotic drugs arrests sellers and users of narcotic drugs englishclub.com

Click for answer c.