- Definitions|1
- Thesaurus|435
- Abbreviations|0
| non sequitur(noun, expression, deception, mistake, error) | |
| nonsense | |
| notion(noun, deception, mistake, error, falsehood) | |
| obfuscation | |
| obscurantism | |
| ostent | |
| outward appearance | |
| outward show | |
| oversubtlety | |
| pharisaicalness(noun, display, deception, lie, fraud) | |
| pharisaism(noun, display, deception, lie, fraud) | |
| philosophism | |
| phoniness(noun, display, deception, lie, fraud) | |
| pietism(noun, display, deception, lie, fraud) | |
| plausibleness | |
| playacting | |
| pose | |
| posing | |
| posture | |
| preconception(noun, deception, mistake, error, falsehood) |
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| APA | Smart Define. (2015). speciousness thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/speciousness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "speciousness thesaurus" https://smartdefine.org/speciousness/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, speciousness thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/speciousness/thesaurus/synonyms>. |
| MLA | Smart Define. "speciousness thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/speciousness/thesaurus/synonyms> |