traitorous
trai·to·rous
adjective
1.
deliberately and abominably disloyal or likely to betray trust or confidence
- “the faithless Benedict Arnold”
- “a lying traitorous insurrectionist”
2.
Origin
From Middle English trayterous, traytrous, (also Middle English traytours, treytours), from Anglo-Norman traiterous, traitourous and Old French traitros.
Related words
Word family
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.