| APA | Smart Define. (-0001). flattened affect thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/flattened_affect/thesaurus/antonyms |
| Chicago | Smart Define. -0001. "flattened affect thesaurus" https://smartdefine.org/flattened_affect/thesaurus/antonyms (accessed October 2, 2026). |
| Harvard | Smart Define -0001, flattened affect thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/flattened_affect/thesaurus/antonyms>. |
| MLA | Smart Define. "flattened affect thesaurus" 30 November -0001. Web. 2 October 2026. <https://smartdefine.org/flattened_affect/thesaurus/antonyms> |