| champion(noun, guard, safeguard, sponsor, angel) | |
| cop(noun, guard, safeguard, safety, champion) | |
| custos | |
| housedog | |
| patrolman(warning, safety) | |
| picket(noun, guard, warning, lookout, sentry) | |
| ranger | |
| scout(warning, safety) | |
| spy | |
| working dog(expression, idiom) | |
| angel(noun, guard, safeguard, champion, sponsor) | |
| bird dog(noun, expression, guard, safeguard, champion) | |
| bivouac | |
| bodyguard | |
| bowwow | |
| canine | |
| chaperon(noun, guard, safeguard, champion, protector) | |
| chaperone(noun, guard, safeguard, champion, sponsor) | |
| clanger | |
| claviger(noun, crackerjack, protector, supervisor, defender) |
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| APA | Smart Define. (2015). watchdog thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/watchdog/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "watchdog thesaurus" https://smartdefine.org/watchdog/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, watchdog thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/watchdog/thesaurus/synonyms>. |
| MLA | Smart Define. "watchdog thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/watchdog/thesaurus/synonyms> |