- Definitions|1
- Thesaurus|118
- Abbreviations|0
43 entries under noun topic. ×
| cavern | |
| cell | |
| channel | |
| concavity | |
| conduit | |
| crack | |
| crater | |
| dejection | |
| den | |
| dent | |
| depression | |
| despondency | |
| dimple | |
| gap | |
| groove | |
| hole | |
| hollowness | |
| indentation | |
| intaglio | |
| lair |
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| APA | Smart Define. (2013). sinuses thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sinuses/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "sinuses thesaurus" https://smartdefine.org/sinuses/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2013, sinuses thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sinuses/thesaurus/synonyms>. |
| MLA | Smart Define. "sinuses thesaurus" 17 June 2013. Web. 25 September 2026. <https://smartdefine.org/sinuses/thesaurus/synonyms> |