View synonyms for

guard dog

Or guarddog

noun

a large, aggressive dog, as a German shepherd or Doberman pinscher, trained to guard persons or property and often to attack or restrain on command.

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Word History and Origins

Origin of guard dog¹

First recorded in 1790–1800

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Example Sentences

Examples have not been reviewed.

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

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The Times attempted to interview Kruse at his flagship site in West Point, where a sign warned of guard dogs and instructed visitors to call before entering.

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I glanced at the heavy scimitar lying like a guard dog beside his leg.

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

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"Today I felt less than human, like a guard dog not allowed into the house. Lonely and isolated."

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