a person or animal trained to detect a particular substance or odor, especially illegal drugs or explosives, a device used for detecting or monitoring a particular substance or condition

sniffer test, network sniffer, packet sniffer

Formal and Informal Expressions of sniffer

In different contexts, you can replace 'sniffer' with suitable alternatives. In a more formal setting, 'detector' is apt. In informal speech or writing, 'nose, smeller' is a commonplace synonym.

sniffer: Explore its Definition & Usage

sniffer Definition

1a person or animal trained to detect a particular substance or odor, especially illegal drugs or explosives
2a device used for detecting or monitoring a particular substance or condition

Using sniffer: Examples

Take a moment to familiarize yourself with how "sniffer" can be used in various situations through the following examples!

Example
The sniffer dog found the hidden drugs in the luggage.
Example
The airport security used a sniffer to detect any explosives.
Example
The sniffer was able to detect the gas leak in the building.

sniffer Synonyms and Antonyms

Synonyms for sniffer

detector
scent hound
drug dog
explosive detector

Phrases with sniffer

sniffer test
a test used to detect the presence of drugs or alcohol in a person's system by analyzing their breath or urine
Example
The athlete had to undergo a sniffer test to prove that he was not using any performance-enhancing drugs.
network sniffer
a software tool used to monitor and analyze network traffic
Example
The IT department used a network sniffer to identify the source of the network problem.
packet sniffer
a software tool used to intercept and analyze data packets as they pass through a network
Example
The hacker used a packet sniffer to steal sensitive information from the company's network.

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Summary: sniffer in Brief

A 'sniffer' [ˈsnɪfər] is a person or animal trained to detect a particular substance or odor, especially illegal drugs or explosives. It can also refer to a device used for detecting or monitoring a particular substance or condition. Examples include sniffer dogs, which are used to find hidden drugs or explosives, and network sniffers, which are used to monitor network traffic.