- Definitions|2
- Thesaurus|770
- Abbreviations|0
56 entries under sound topic. ×
| binding(reasonable, certain, rational, definite) | |
| bona fide(expression, reasonable, material, rational) | |
| compelling(adjective, reasonable, rational, definite) | |
| confirmed(adjective, good, right, reasonable) | |
| genuine(clear, reasonable, certain, rational) | |
| guaranteed(adjective, clear, hard, firm) | |
| potent(reasonable, rational) | |
| rational | |
| reasonable | |
| right(reasonable, physical, material, rational) | |
| secure(adjective, firm, solid, certain) | |
| true(clear, reasonable, certain, absolute) | |
| trustworthy(clear, reasonable, rational, valid) | |
| ultimate(reasonable, rational, definite, precise) | |
| well-founded(reasonable, rational, absolute, indisputable) | |
| well-grounded(reasonable, rational, absolute, indisputable) | |
| attested(reasonable, rational) | |
| credible(reasonable, rational) | |
| defensible(reasonable, rational) | |
| efficacious(reasonable, rational) |
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| APA | Smart Define. (2015). irrefutable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/irrefutable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "irrefutable thesaurus" https://smartdefine.org/irrefutable/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, irrefutable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/irrefutable/thesaurus/synonyms>. |
| MLA | Smart Define. "irrefutable thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/irrefutable/thesaurus/synonyms> |