| APA | Smart Define. (2011). full head of steam thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/full_head_of_steam/thesaurus/antonyms |
| Chicago | Smart Define. 2011. "full head of steam thesaurus" https://smartdefine.org/full_head_of_steam/thesaurus/antonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2011, full head of steam thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/full_head_of_steam/thesaurus/antonyms>. |
| MLA | Smart Define. "full head of steam thesaurus" 23 May 2011. Web. 28 September 2026. <https://smartdefine.org/full_head_of_steam/thesaurus/antonyms> |