traitorous Meaning, Definition & Usage

  1. adjective satellite having the character of, or characteristic of, a traitor
    treasonous; unfaithful; treasonable; faithless.
    • the faithless Benedict Arnold
    • a lying traitorous insurrectionist

WordNet

Trai"tor*ous adjective
Etymology
Cf. F. traîtreux.
Definitions
  1. Guilty of treason; treacherous; perfidious; faithless; as, a traitorous officer or subject. Shak.
  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.

Webster 1913