Dictionary (a.) Pertaining to betrayal, treason, or breech of confidence\.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 |