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
Research by Dror Etkes, who runs the settlement watchdog group Kerem Navot, determined the land was privately owned. — Melanie Lidman, Los Angeles Times, 26 Sep. 2026 The show was made in collaboration with Perverted-Justice, an online watchdog group. — Emma Urdangen, PEOPLE, 26 Sep. 2026 By updating the Unfair Commercial Practices Directive to blacklist specific misleading marketing tactics, however, EmpCo could lighten the load for watchdog groups by rendering once-routine declarations off-limits. — Jasmin Malik Chua, Footwear News, 25 Sep. 2026 The singer plays Del Harvey, a young decoy who played both boys and girls on the show and how is based on the real person of the same name who was a volunteer for the internet watchdog group Perverted Justice. — Gil Kaufman, Billboard, 25 Sep. 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 29 Sep. 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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