Dictionary.com
Thesaurus.com
Synonyms

attack dog

American  

noun

  1. a dog trained to attack on command, as for protection or to aid in the apprehension of criminals.


Etymology

Origin of attack dog

First recorded in 1965–70

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.

See Examples For:

He can toggle between modes — attack dog in conservative media, measured moderate in mixed company — but the transitions are visible.

From Salon ● Jun. 17, 2026

While Blanche’s predecessors in the No. 2 spot kept lower profiles and managed the Justice Department’s day-to-day operations largely behind the scenes, he is often a vocal and visible attack dog.

From The Wall Street Journal ● Apr. 4, 2026

In Bakersfield, for example, “more than half of all people severely injured by an attack dog in 2020 were displaying symptoms of mental illness or impairment.”

From Los Angeles Times ● Jan. 10, 2024

Mr Christie appeared to find his greatest success on the debate stage in his return to his faithful role as an attack dog focused squarely on Mr Trump.

From BBC ● Dec. 7, 2023

The vice president had a reputation for being President Nixon’s attack dog and skewering political opponents as “nattering nabobs of negativism,” “vicars of vacillation” and “pusillanimous pussyfooters.”

From Seattle Times ● Apr. 3, 2023

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training