watchdog

1 of 2

noun

watch·​dog ˈwäch-ˌdȯg How to pronounce watchdog (audio)
ˈwȯch-
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
The City of Boston agreed to stop inflating the assessed value, and taxes, for commercial properties that file abatements, according to a watchdog group that slammed the practice as retaliatory and unlawful and later filed suit against the city. Gayla Cawley, Boston Herald, 14 Jan. 2026 Why a One‑Time Wealth Tax Misses California’s own fiscal watchdogs have noted that many top earners already avoid large state income taxes by borrowing against appreciated stock instead of selling it. Nick Lichtenberg, Fortune, 13 Jan. 2026 The Venezuelan Political Ecology Observatory, an environmental watchdog, documented nearly 200 oil spills from 2016 to 2021 that largely were unreported by authorities. Steven Grattan, Los Angeles Times, 12 Jan. 2026 Seventeen inspectors general—internal watchdogs embedded throughout the federal government—received emails notifying them of their termination. Franklin Foer, The Atlantic, 11 Jan. 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 16 Jan. 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

More from Merriam-Webster on watchdog

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