- Definitions|2
- Thesaurus|554
- Abbreviations|0
14 entries under irreligion topic. ×
| rationalism | |
| skeptical(adjective, leery, disbelieving) | |
| faithless | |
| atheism(noun, belief, unbelief, nonbelief) | |
| infidelity(noun, doubt, atheism, unbelief) | |
| antichristian | |
| antichristianity | |
| deistical | |
| incredulous | |
| unbelieving | |
| lacking faith(expression, idiom) | |
| neology | |
| unchristian | |
| unconverted |
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| APA | Smart Define. (2015). freethinking thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/freethinking/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "freethinking thesaurus" https://smartdefine.org/freethinking/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, freethinking thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/freethinking/thesaurus/synonyms>. |
| MLA | Smart Define. "freethinking thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/freethinking/thesaurus/synonyms> |