heretic

1 a person who believes, teaches, or advocates something opposed to accepted beliefs Galileo was condemned as a heretic for supporting Copernicus's thesis that the earth revolves around the sun and not vice versa Synonyms dissenter, dissentient, dissident, heresiarch, nonconformist Related Words apostate, defector, renegade; schismatic, sectarian, separationist, separatist; disbeliever, infidel, misbeliever, unbeliever; bohemian, individualist Near Antonyms believer Antonyms conformer, conformist

2 a person who does not conform to generally accepted standards or customs he's the ultimate heretic: a Yankees fan living deep in the heart of the Red Sox Nation Synonyms bohemian, boho, counterculturist, deviant, enfant terrible, free spirit, nonconformist, iconoclast, individualist, loner, lone ranger, lone wolf, maverick, nonconformerRelated Words freethinker; character, codger, crackbrain, crackpot, crank, eccentric, freak, kook, nut, oddball, screwball, weirdo; eight ball, misfit, outsider; aberrant, anomalyNear Antonyms adherent, follower, supporter; sheepAntonyms conformer, conformist