| APA | Smart Define. (2013). let-downs thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/let-downs/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "let-downs thesaurus" https://smartdefine.org/let-downs/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2013, let-downs thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/let-downs/thesaurus/synonyms>. |
| MLA | Smart Define. "let-downs thesaurus" 18 May 2013. Web. 25 September 2026. <https://smartdefine.org/let-downs/thesaurus/synonyms> |