24 entries under noun topic. ×
| depression | |
| hollow | |
| cavity | |
| dip | |
| crater | |
| flat | |
| hole | |
| crack | |
| crux | |
| debt | |
| den | |
| ditch(flat, ton, tor, hillside) | |
| dungeon | |
| emptiness | |
| excavation | |
| eye | |
| fossa | |
| fosse | |
| gap | |
| grotto |
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| APA | Smart Define. (2015). hump thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/hump/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "hump thesaurus" https://smartdefine.org/hump/thesaurus/antonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, hump thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/hump/thesaurus/antonyms>. |
| MLA | Smart Define. "hump thesaurus" 19 June 2015. Web. 29 September 2026. <https://smartdefine.org/hump/thesaurus/antonyms> |