| reverent | |
| reverential | |
| rigid | |
| rigorous | |
| roper | |
| sacred | |
| scientist | |
| scrupulous | |
| secret agent(expression, idiom) | |
| self-righteous | |
| self-satisfied | |
| serious | |
| severe | |
| shoofly | |
| smug | |
| solemn | |
| speckle | |
| spot | |
| stereotype | |
| stern |
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Power Thesaurus
| APA | Smart Define. (2016). pi thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/pi/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "pi thesaurus" https://smartdefine.org/pi/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, pi thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/pi/thesaurus/synonyms>. |
| MLA | Smart Define. "pi thesaurus" 15 March 2016. Web. 22 September 2026. <https://smartdefine.org/pi/thesaurus/synonyms> |