traitorous

adj 1: deliberately and abominably disloyal or likely to betray

trust or confidence; "the faithless Benedict Arnold";

"a lying traitorous insurrectionist" [syn: {faithless},

{unfaithful}]

2: constituting treason; "a traitorous act"; "treasonable acts

like sabotage" [syn: {treasonable}, {treasonous}]