"treasonous" in German treasonous verräterisch Detailed translations for "treasonous" treasonous treasonous(also: telling, treacherous, treasonable, backstabbing) verräterisch{adjectiv} Are you as treasonous as you are useless? Source: opensubtitles.org Corpus by OPUS Request review Bist du genauso verräterisch wie nutzlos? English synonyms for "treasonous" treasonous {s} faithless traitorous treasonable unfaithful