Advertisement
English Lexicon

Sniffer

/ˈsnɪf.ər/
nounCEFR B2 (Upper)Top #1500 frequency
Full Thesaurus

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A device or tool used to detect or analyze substances, often by sensing odors or chemical compositions.

    "The sniffer was able to detect the presence of explosives in the luggage."
  2. 2

    An animal, especially a dog, trained to detect scents for purposes such as search and rescue or law enforcement.

    "The sniffer dog quickly located the missing person in the dense forest."
Advertisement

Thesaurus & Semantic Spectrum

Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'sniffer' originates from the verb 'to sniff', which comes from Middle English 'sniffen', meaning to inhale through the nose. The word has evolved to describe devices or individuals that detect or sense something, particularly in the context of technology and animals.

Quick Vocabulary Retention Check

Which of the following is the closest synonym for "Sniffer"?

Advertisement
Thesaurus & Synonyms Graph

Explore Nuanced Synonyms for "Sniffer"

Discover exact matches, context-specific alternatives, and antonyms with intensity ratings in the VocabDictionary Thesaurus.

View "Sniffer" Synonym Map
Advertisement