noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   One who commits treason.
2. 2
   someone who betrays their country by committing treason wordnet

Synonyms

All synonyms

traitorbackstabberbenedict arnoldbetrayercockatriceconniver

Etymology

From treason + -ist.

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