sniffer

noun

sniff·​er ˈsni-fər 

1

: one that sniffs: such as

a

: someone who sniffs a drug or other substance in order to become intoxicated

a cocaine/glue sniffer

b

or less commonly sniffer dog : a dog that is trained to recognize and follow scents especially for the purpose of locating people or contraband (such as illicit drugs and explosives)

2

informal : nose

Use your sniffer to detect unattractive or unhealthy odors.

—Susan DeBow

Examples of sniffer in a Sentence

Sniffers were brought in to search bags at the airport.

Recent Examples on the Web

All visitors pass through airport-style metal detectors and security guards with sniffer dogs walked around the conference center. —Mike Corder, Quartz, 7 Mar. 2024

Protect your pets Related Articles Keep a close eye on curious dogs when out for walks and hikes, especially if your pup is an avid sniffer or likes to dig. —Julia Lamont, The Mercury News, 9 Jan. 2024

The sniffer also could detect smoke, a sign of human activity. —Susanne Rust, Los Angeles Times, 1 Mar. 2024

So, whether your pup needs relief from dry winter air or regular upkeep to keep their sniffer in top shape, Puppington's Nose Balm is sure to do the trick. —Amber Smith, Discover Magazine, 21 May 2023

Word History

First Known Use

1864, in the meaning defined at sense 1

Phrases Containing sniffer

• sniffer dog