- Definitions|2
- Thesaurus|131
- Abbreviations|0
| doubter(noun, cynic, unbelieving, questioner, unbeliever) | |
| flower child(noun, expression, idiom, nonconformist, hippie) | |
| esprit fort(expression, idiom) | |
| libertarian | |
| neutral | |
| nonpartisan | |
| questioner(noun, cynic, unbelieving, doubter, agnostic) | |
| rationalist(adjective, irreligion) | |
| disbeliever | |
| alien | |
| artist | |
| beatnik(noun, nonconformist) | |
| big person | |
| broad-gauge person | |
| doubting Thomas(noun, cynic, unbelieving, apostate, questioner) | |
| ecumenicist | |
| free-thinker | |
| free lance | |
| free trader | |
| freethinking |
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| APA | Smart Define. (2015). freethinker thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/freethinker/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "freethinker thesaurus" https://smartdefine.org/freethinker/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, freethinker thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/freethinker/thesaurus/synonyms>. |
| MLA | Smart Define. "freethinker thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/freethinker/thesaurus/synonyms> |