15 entries under adjective topic. ×
| submarine | |
| underwater | |
| sunken | |
| subaqueous | |
| submersed | |
| marine | |
| seabed | |
| concave | |
| depressed | |
| hollow | |
| maritime | |
| nautical | |
| recessed | |
| saltwater | |
| semiaquatic |
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| APA | Smart Define. (2015). undersea thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/undersea/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "undersea thesaurus" https://smartdefine.org/undersea/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, undersea thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/undersea/thesaurus/synonyms>. |
| MLA | Smart Define. "undersea thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/undersea/thesaurus/synonyms> |