ratter
Pest-catching terrier
A ratter is a dog or cat kept for catching rats.
Certain terrier breeds excel as ratters.
By extension, a ratter is someone who rats—an informer or betrayer: The gang suspected him of being a ratter.
Small vermin-hunting dog
- verminHarmful small animals
- pest controlManaging unwanted organisms
- working dogDog bred for tasks
- prey driveImpulse to hunt
instinct · quarry · barnyard · farm dog · breed · hunt · pursuit · tenacious
Rodent-catching cat
- barn catCat kept for pest control
- verminHarmful small animals
- pest controlManaging unwanted organisms
- felineOf or like cats
pounce · stalk · prey · predator · hunter · catcher · agile · instinct
One who tells authorities
- betrayerOne who breaks allegiance
- tattletaleOne who informs on others
- whistleblowerInsider who reports misconduct
- traitorOne who betrays allegiance
narc · squealer · blabbermouth · turncoat · stoolie · fink · informant · backstabber
Act of chasing something
- trailPath through wilderness
- scentAirborne odor detected
- trackPath or monitored route
- chaseRapid following of quarry
detect · locate · quarry · burrow · flush out · dig · corner · catch
Covert intelligence gathering
- infiltrationCovert entry into organization
- intelligenceMental ability, cognitive capacity
- surveillanceSystematic observation of subjects
- agentOne who acts independently
undercover · covert · clandestine · mole · operative · double agent · tradecraft · counterintelligence
terrier
Small vermin-hunting dog
- verminHarmful small animals
- pest controlManaging unwanted organisms
- working dogDog bred for tasks
prey drive · instinct · quarry · barnyard · farm dog · breed · hunt · pursuit · tenacious · agile
mouser
Rodent-catching cat
- barn catCat kept for pest control
- verminHarmful small animals
- pest controlManaging unwanted organisms
feline · pounce · stalk · prey · predator · hunter · catcher · agile · instinct · prowl
snitch
One who tells authorities
- betrayerOne who breaks allegiance
- tattletaleOne who informs on others
- whistleblowerInsider who reports misconduct
traitor · narc · squealer · blabbermouth · turncoat · stoolie · fink · informant · backstabber · telltale
pursuit
Act of chasing something
chase · detect · locate · quarry · burrow · flush out · dig · corner · catch · kill
espionage
Covert intelligence gathering
- infiltrationCovert entry into organization
- intelligenceMental ability, cognitive capacity
- surveillanceSystematic observation of subjects
agent · undercover · covert · clandestine · mole · operative · double agent · tradecraft · counterintelligence · asset
ratterlap dog
Small pet breed
toy dog · companion dog · show dog · house pet · Pomeranian
ratterloyalist
Faithful supporter of authority
stand-up guy · solid · trustworthy · faithful friend · keeper of secrets
- ratted outInformed on someone
- ratting outExposing someone's wrongdoing