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Definitions

guard dog

NOUN
dog for protection
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Anatol Ward, a Tokyo resident in his 50s, said the robot reminded him of a guard dog.

From Barron's • Jan. 30, 2026

Why buy a guard dog when the neighbor owns a wolf?

From MarketWatch • Jan. 10, 2026

She’s such a good family dog and incredible guard dog.

From Los Angeles Times • Jun. 6, 2025

To find out, the researchers asked Montana farmers who were regularly visited by grizzly bears to host a guard dog.

From Science Magazine • Apr. 11, 2024

The Doorman keeps eating—a beautiful individual but a useless guard dog.

From "I Am the Messenger" by Markus Zusak