name, noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   Anything which catches rats, especially a dog trained to catch them; a rat terrier.

   "Grey cat called Snooky who was a good ratter even with his balls cut off."

2. 2
   any of several breeds of terrier developed to catch rats wordnet
3. 3
   One who rats; a traitor; a deserter.
4. 4
   a disloyal person who betrays or deserts their cause or religion or political party or friend etc. wordnet
5. 5
   A pirate miner, a miner who digs out ore or paydirt clandestinely and runs

Proper Noun

1. 1
   A surname.

Synonyms

All synonyms

apostatebackstabberbetrayerdeserterdeserterdouble-crosser

Example

More examples

"Grey cat called Snooky who was a good ratter even with his balls cut off."

Etymology

From rat + -er.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.