2
inconvincible
2
mistrusting
2
non-believing(adjective, irreligious)
2
nullifidian
2
sacrilegious(adjective, ungodly, unspiritual)
2
secular(adjective, irreligious)
2
sinful(adjective, ungodly, unspiritual)
2
skeptic
2
unbeliever(noun, cynic, questioner, agnostic)
2
uncertain
2
unchristian
2
undevout(adjective, ungodly, irreligious, unspiritual)
2
without faith(expression, wary, mistrustful, distrustful)
2
worldly(adjective, irreligious)
1
agnostical
1
antichristian
1
apostate(noun, independent, progressive, skeptical, nonconformist)
1
apprehensive(wary, mistrustful, distrustful)
1
believe
1
cagey(wary, mistrustful, distrustful)
11 years ago|3.8k views|share |citing 
APASmart Define. (2015). unbelieving thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unbelieving/thesaurus/synonyms
ChicagoSmart Define. 2015. "unbelieving thesaurus" https://smartdefine.org/unbelieving/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unbelieving thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unbelieving/thesaurus/synonyms>.
MLASmart Define. "unbelieving thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/unbelieving/thesaurus/synonyms>