24 entries under space topic. ×
| hollow(noun, hole, pocket, cavity) | |
| cavity(noun, area, hole, hollow) | |
| depression(noun, hole, hollow, pocket) | |
| hole(noun, hollow, pocket, crater) | |
| pit(noun, hole, hollow, pocket) | |
| dent(noun, hole, hollow, pocket) | |
| opening(noun, hole, hollow, cavity) | |
| pocket(noun, hole, hollow, cavity) | |
| armpit(hole, hollow, pocket, crater) | |
| basin(noun, hole, hollow, pocket) | |
| crater(noun, hole, hollow, pocket) | |
| socket(noun, hole, hollow, pocket) | |
| atrium(hole, hollow, pocket, crater) | |
| bursa(noun, hole, hollow, pocket) | |
| caries(noun, hole, hollow, pocket) | |
| chamber(hole, hollow, pocket, crater) | |
| cleft(noun, hole, hollow) | |
| crack(hole, hollow) | |
| decay(hole, hollow, pocket, crater) | |
| fissure(noun, hole, hollow) |
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| APA | Smart Define. (2015). sinus thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/sinus/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sinus thesaurus" https://smartdefine.org/sinus/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, sinus thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/sinus/thesaurus/synonyms>. |
| MLA | Smart Define. "sinus thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/sinus/thesaurus/synonyms> |