watchdog

1 of 2

noun

watch·​dog ˈwäch-ˌdȯg How to pronounce watchdog (audio)
ˈwȯch-
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
Ong had informed Iswaran that his associates had been questioned and a private flight manifest with Iswaran’s name on it for a flight from Singapore to Doha had been seized by the corruption watchdog during investigations. CNN Money, 5 Aug. 2025 Consumers Union, a nonprofit watchdog organization (now Consumer Reports) published results of crash tests of 15 child safety restraints. Time, 5 Aug. 2025 Community members, state and local leaders, and watchdog organizations voiced concerns about a lack of transparency in the selection process. Jessica Babb, Baltimore Sun, 5 Aug. 2025 Zettel, a former Republican state Assembly member, brings decades of experience in government and regulatory oversight to the political watchdog agency. Amelia Wu, Sacbee.com, 5 Aug. 2025 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 20 Aug. 2025.

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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!