| APA | Smart Define. (-0001). loose lips sink ships thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/loose_lips_sink_ships/thesaurus/antonyms |
| Chicago | Smart Define. -0001. "loose lips sink ships thesaurus" https://smartdefine.org/loose_lips_sink_ships/thesaurus/antonyms (accessed September 30, 2026). |
| Harvard | Smart Define -0001, loose lips sink ships thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/loose_lips_sink_ships/thesaurus/antonyms>. |
| MLA | Smart Define. "loose lips sink ships thesaurus" 30 November -0001. Web. 30 September 2026. <https://smartdefine.org/loose_lips_sink_ships/thesaurus/antonyms> |