4 entries under mountain topic. ×
| hole(noun, opening, reticulation, caldera) | |
| eyelet(noun, reticulation, caldera, firewater) | |
| foramen(noun, reticulation, caldera, firewater) | |
| keyhole(noun, reticulation, caldera, firewater) |
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| APA | Smart Define. (2016). solid thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/solid/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "solid thesaurus" https://smartdefine.org/solid/thesaurus/antonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, solid thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/solid/thesaurus/antonyms>. |
| MLA | Smart Define. "solid thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/solid/thesaurus/antonyms> |