faithless Synonyms

traitorous unfaithful treasonous treasonable insincere subversive treacherous ungodly trothless trustless truthless slippery skeptical irreligious irresponsible janus-faced mendacious nullifidian pagan perfidious recreant sceptic seditious unassured unbeliever duplicitous two-faced double-crossing unpatriotic repudiative unconvinced undependable undutiful untrusty nonbeliever two-timing unbelieving unchristian unconverted unreliable untrue untruthful wronger androdiecious untrustworthy wormlike adulterine creedless deceitful deistical