Definition of sniffer
- a cocaine/glue sniffer
- Use your sniffer to detect unattractive or unhealthy odors.
- —Susan DeBow
Sniffers were brought in to search bags at the airport.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sniffer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: someone who sniffs a drug or other substance in order to become intoxicated
: a dog that is trained to find people, illegal drugs, explosives, etc., by recognizing and following scents
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