| APA | Smart Define. (2015). brobdingnagian thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/brobdingnagian/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "brobdingnagian thesaurus" https://smartdefine.org/brobdingnagian/thesaurus/antonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, brobdingnagian thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/brobdingnagian/thesaurus/antonyms>. |
| MLA | Smart Define. "brobdingnagian thesaurus" 8 October 2015. Web. 29 September 2026. <https://smartdefine.org/brobdingnagian/thesaurus/antonyms> |