1. [syn: faithless, traitorous, unfaithful, treasonable, treasonous]
The Collaborative International Dictionary of English v.0.48:
Treasonable \Trea"son*a*ble\, a.
Pertaining to treason; consisting of treason; involving the
crime of treason, or partaking of its guilt.
Most men's heads had been intoxicated with imaginations
of plots and treasonable practices. --Clarendon.
Syn: Treacherous; traitorous; perfidious; insidious.
[1913 Webster] --Trea"son*a*ble*ness, n. --
WordNet (r) 3.0 (2006):
adj 1: having the character of, or characteristic of, a traitor;
"the faithless Benedict Arnold"; "a lying traitorous
insurrectionist" [syn: faithless, traitorous,
unfaithful, treasonable, treasonous]
Moby Thesaurus II by Grady Ward, 1.0:
37 Moby Thesaurus words for "treasonable":
Judas-like, Trojan-horse, apostate, betraying, breakaway,
collaborative, degenerate, disloyal, double-crossing, extreme,
extremistic, factious, faithless, fifth-column, insurgent,
insurrectionary, mutineering, mutinous, quisling, quislingistic,
rebel, rebellious, recreant, renegade, revolutional, revolutionary,
riotous, seditionary, seditious, subversive, tergiversant,
tergiversating, traitorous, treasonous, turbulent, turncoat,