Synonyms and related words :
abjuratory, abnegative, adversative, breakaway, contradicting, contradictory, contrary, creedless, denying, disaffirming, disallowing, disavowing, disbelieving, disclaiming, disowning, faithless, heretical, incredulous, irreligious, minimifidian, mugwumpian, mugwumpish, negative, negatory, nonbelieving, nullifidian, opposing, recanting, renunciative, renunciatory, repudiatory, repugnant, revocative, revocatory, schismatic, secessionist, separatist, unbelieving, unconfident, unconverted, unconvinced, without faith