Standard Lemma guide

sniffer

noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • General-American: /ˈsnɪfɚ/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -ɪfə(ɹ)
  • CMU ARPABET: S N IH1 F ER0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

One who sniffs.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The nose.

Definition source: English Wiktionary via Wiktextract

Usage: informal

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A software or hardware tool for intercepting and logging network traffic.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, networking, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

a person who sniffs

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: person, individual, someone, somebody, mortal, soul

History

Etymology

Etymology tree English sniff Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English sniffer From sniff + -er.

Across languages

Translations

3 source translations are retained for this English entry.

  • Portuguese: farejador — one who sniffs
  • Polish: sniffer — a mechanism for intercepting and logging network traffic
  • Portuguese: sniffer — a mechanism for intercepting and logging network traffic