- Definitions|2
- Thesaurus|116
- Abbreviations|0
31 entries under noun topic. ×
| cynic(radical, revolutionary, critic, detractor) | |
| atheist(adjective, person, view, disbelieve) | |
| doubter | |
| unbeliever(radical, revolutionary, critic, detractor) | |
| agnostic | |
| dissenter(radical, revolutionary, detractor, subversive) | |
| heathen | |
| questioner(radical, revolutionary, critic, detractor) | |
| denier | |
| doubting Thomas | |
| skeptic | |
| disbeliever | |
| infidel | |
| nullifidian | |
| pagan | |
| heretic(adjective, radical, revolutionary, detractor) | |
| naysayer | |
| defeatist | |
| disdainer | |
| freethinker |
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| APA | Smart Define. (2016). sceptic thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/sceptic/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sceptic thesaurus" https://smartdefine.org/sceptic/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, sceptic thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/sceptic/thesaurus/synonyms>. |
| MLA | Smart Define. "sceptic thesaurus" 20 February 2016. Web. 29 September 2026. <https://smartdefine.org/sceptic/thesaurus/synonyms> |