70 entries under noun topic. ×

19
apostate(adjective, opponent, nonconformist, insurgent)
14
dissenter(religion, original, dissent, radical)
11
dissident(religion, person, original, radical)
11
nonconformist(religion, person, dissent, rebel)
11
misbeliever(original, radical, liberal, rebel)
9
schismatic(adjective, religion, dissent, rebel)
9
sectarian(adjective, religion, person, sectarian)
9
infidel(adjective, unbeliever, nonbeliever)
8
heathen(adjective, sectarian, heterodoxy, unbeliever)
8
pagan(adjective, person, sectarian, heterodoxy)
8
rebel(person, original, radical, liberal)
7
unbeliever(verb, radical, revolutionary, nonconformist)
7
sectary(religion, original, dissent, radical)
5
separatist(religion, original, dissent, liberal)
4
renegade(person, resistance, rebel, recreant)
4
sceptic(adjective, radical, revolutionary, detractor)
4
skeptic(person, incredulity, unbelieving, unbeliever)
4
recusant
4
disbeliever
4
outlier
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APASmart Define. (2015). heretic thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/heretic/thesaurus/synonyms
ChicagoSmart Define. 2015. "heretic thesaurus" https://smartdefine.org/heretic/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, heretic thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/heretic/thesaurus/synonyms>.
MLASmart Define. "heretic thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/heretic/thesaurus/synonyms>