Trai·tor·ous a.
1. Guilty of treason; treacherous; perfidious; faithless; as, a traitorous officer or subject.
2. Consisting in treason; partaking of treason; implying breach of allegiance; as, a traitorous scheme.
-- Trai*tor*ous*ly, adv. -- Trai*tor*ous*ness, n.
◄ ►
traitorousness
n : disloyalty by virtue of subversive behavior [syn: treason,
subversiveness]