watchdog

1 of 2

noun

Synonyms of watchdognext
1
: a dog kept to guard property
2
: one that guards against loss, waste, theft, or undesirable practices

watchdog

2 of 2

verb

watchdogged; watchdogging; watchdogs

transitive verb

: to act as a watchdog for

Examples of watchdog in a Sentence

Recent Examples on the Web
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Noun
On Monday, a police technology watchdog group sued Park, claiming that her office refused to turn over information related to dozens of Flock devices in her district. — Libor Jany, Los Angeles Times, 29 Oct. 2026 Earlier this month, a watchdog investigation found a Brooklyn school bus with six nonverbal children went missing for more than four hours last December, the Daily News was first to report. — Cayla Bamberger, New York Daily News, 29 Oct. 2026 In some cases, Choudri or others overrode internal objections to approve the expenses, the watchdog found. — Lia Russell, Sacbee.com, 29 Oct. 2026 By the end of 2025, there were 274 fewer full-time ethics officials, according to a recent analysis of federal survey records by the government watchdog group Campaign Legal Center. — Corey G. Johnson, ProPublica, 29 Oct. 2026 See All Example Sentences for watchdog

Word History

First Known Use

Noun

1612, in the meaning defined at sense 1

Verb

1902, in the meaning defined above

Time Traveler
The first known use of watchdog was in 1612

Browse Nearby Words

Cite this Entry

“Watchdog.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/watchdog. Accessed 2 Nov. 2026.

Kids Definition

watchdog

noun
watch·​dog
ˈwäch-ˌdȯg, 
ˈwȯch-
1
: a dog kept to guard property
2
: one that guards against loss, waste, theft, or dishonesty

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