Synonyms of skeptic

2 Syllables
flouters, haters, sneerers, atheist, mockers, heathen, hermit, scoffer, sneerer, pagan, hater, doubter, cynic, pantheist, doubters
3 Syllables
agnostic, dissenters, freethinkers, schismatic, stylite, zetetic, idolist, paganist, sectary, satirist, profaner, sectaries, questioner, pillarist, dissenter, heretic, freethinker, polytheist, infidel, nihilist, pessimist
4 Syllables
misanthropist, non-believer, nonbeliever, unbeliever, idolater, nonbelievers, misbeliever, disbeliever, misanthrope, misogamist, solitarian, separatist, materialist, rationalist, apostate
5 Syllables
irreligionist, separationist