- Guilty of treason; treacherous; perfidious; faithless;
as, a traitorous officer or subject. - Consisting in treason; partaking of treason; implying
breach of allegiance; as, a traitorous scheme.
Meaning of 'traitorous' (Princeton's WordNet)
1 . traitorous
[ s]
Meaning (1): - having the character of, or characteristic of, a traitor