16
heathen(noun, adjective, not, ungodly, irreligion)
15
infidel(noun, adjective, irreligion, cynic, unbelieving)
14
atheist(noun, adjective, person, view, disbelieve)
13
doubter(noun, person, cynic, dissenter, atheist)
12
skeptic(noun, adjective, person, barbarian, irreligion)
12
faithless(adjective, uncertain, hesitant, dubious, unsure)
11
pagan(noun, adjective, person, ungodly, irreligious)
11
dubious(adjective, uncertain, hesitant, unsure, unbelieving)
10
godless(adjective, wicked, immoral, deceitful, contrary)
9
agnostical
9
sceptic(noun, adjective)
9
unbelieving(noun, adjective, independent, progressive, skeptical)
8
irreligious(adjective, wicked, immoral, deceitful, barbarian)
8
doubtful(adjective, uncertain, hesitant, unsure, believing)
7
atheistic(adjective, wicked, immoral, deceitful, contrary)
7
freethinker(noun, radical, irreligion)
7
cynic(noun, unbelieving, dissenter, questioner, atheist)
7
disbeliever(noun, cynic, unbelieving, dissenter, questioner)
6
disbelieving(adjective, uncertain, hesitant, unsure, irreligious)
6
doubting(adjective, uncertain, hesitant, dubious, unsure)
<1234510>
11 years ago|6.2k views|share |citing 
APASmart Define. (2015). agnostic thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/agnostic/thesaurus/synonyms
ChicagoSmart Define. 2015. "agnostic thesaurus" https://smartdefine.org/agnostic/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, agnostic thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/agnostic/thesaurus/synonyms>.
MLASmart Define. "agnostic thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/agnostic/thesaurus/synonyms>