Standard Lemma guide

watchdog

noun · verb · 7 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: /ˈwɑːt͡ʃˌdɑːɡ/
  • Received-Pronunciation: /ˈwɒt͡ʃˌdɒɡ/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: W AA1 CH D AO2 G Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A guard dog.

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

An individual or group that monitors the activities of another entity (such as an individual, corporation, non-profit group, or governmental organization) on behalf of the public to ensure that entity does not behave illegally or unethically.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Ellipsis of watchdog timer.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, ellipsis

Topics: business, computing, electrical-engineering, electricity, electromagnetism, electronics, energy, engineering, mathematics, natural-sciences, physical-sciences, physics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

verb

Meaning 4

To perform a function analogous to that of a watchdog; to guard and warn.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

verb

Meaning 5

To be continuously reset by a watchdog timer.

Definition source: English Wiktionary via Wiktextract

Topics: business, electrical-engineering, electricity, electromagnetism, electronics, energy, engineering, natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

a dog trained to guard property

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: guard dog

Antonyms: none provided

Broader terms: working dog

Narrower terms: kuvasz, attack dog, housedog, schipperke, pinscher

7

noun

Meaning 7

a guardian or defender against theft or illegal practices or waste

Definition source: Princeton WordNet 3.0

Examples

  • she is the global watchdog for human rights abuses

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: defender, guardian, protector, shielder

History

Etymology

From watch + dog.

Across languages

Translations

24 source translations are retained for this English entry.

  • Bulgarian: пазител (pazitel) — individual or group that monitors
  • Chinese Mandarin: 監視人 /监视人 (jiānshìrén) — individual or group that monitors
  • Chinese Mandarin: 監管機構 /监管机构 (jiānguǎn jīgòu) — individual or group that monitors
  • Dutch: waakhond — individual or group that monitors
  • Finnish: vahtikoira — individual or group that monitors
  • Italian: supervisore — individual or group that monitors
  • Italian: comitato di controllo — individual or group that monitors
  • Japanese: 監視委員会 (kanshi iinkai) — individual or group that monitors
  • Japanese: 監視者 (kanshisha) — individual or group that monitors
  • Japanese: 監視人 (kanshinin) — individual or group that monitors
  • Portuguese: vigilância — individual or group that monitors
  • Romanian: arbitru — individual or group that monitors
  • Romanian: organism de control — individual or group that monitors
  • Russian: контролёр (kontroljór) — individual or group that monitors
  • Swedish: tillsynsorgan — individual or group that monitors
  • Swedish: tillsyningsman — individual or group that monitors
  • Swedish: tillsynsman — individual or group that monitors
  • Swedish: vakthund — individual or group that monitors
  • Swedish: väktare — individual or group that monitors
  • Swedish: kontrollorgan — individual or group that monitors
  • Swedish: övervakningsorgan — individual or group that monitors
  • Bulgarian: пазя (pazja) — guard and warn
  • Finnish: vartioida — guard and warn
  • Finnish: olla vartiossa — guard and warn