| APA | Smart Define. (2016). usual language thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/usual_language/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "usual language thesaurus" https://smartdefine.org/usual_language/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, usual language thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/usual_language/thesaurus/synonyms>. |
| MLA | Smart Define. "usual language thesaurus" 29 February 2016. Web. 20 September 2026. <https://smartdefine.org/usual_language/thesaurus/synonyms> |