Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun ratter

2 senses of ratter

Sense 1
deserter, apostate, renegade, turncoat, recreant, ratter -- (a disloyal person who betrays or deserts his cause or religion or political party or friend etc.)
       => quitter -- (a person who gives up too easily)

Sense 2
rat terrier, ratter -- (any of several breeds of terrier developed to catch rats)
       => terrier -- (any of several usually small short-bodied breeds originally trained to hunt animals living underground)