| APA | Smart Define. (2014). grumpily thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/grumpily/thesaurus/synonyms |
| Chicago | Smart Define. 2014. "grumpily thesaurus" https://smartdefine.org/grumpily/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2014, grumpily thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/grumpily/thesaurus/synonyms>. |
| MLA | Smart Define. "grumpily thesaurus" 9 March 2014. Web. 25 September 2026. <https://smartdefine.org/grumpily/thesaurus/synonyms> |