Treasonable

Adjective

 * 1) involving, or constituting treason

Adverbs for Treasonable
indubitably; utterly; wickedly; admittedly; allegedly; subtly; frankly; assuredly; immeasurably; deliberately; indefeasibly; indefensibly; defiantly; arrantly; unutterably; daringly; boldly;  peculiarly;  palpably; highly; dangerously; darkly.

Thesaurus
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, two-timing

Synonyms

 * seditious
 * traitorous