21 entries under noun topic. ×
| nadir | |
| base | |
| bottom | |
| antapex | |
| foot | |
| alkali | |
| radix | |
| trough | |
| support | |
| bag | |
| basement | |
| basis | |
| cap | |
| depth | |
| foundation | |
| ground | |
| groundwork | |
| home | |
| leg | |
| pedestal |
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| APA | Smart Define. (2015). apex thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/apex/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "apex thesaurus" https://smartdefine.org/apex/thesaurus/antonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, apex thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/apex/thesaurus/antonyms>. |
| MLA | Smart Define. "apex thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/apex/thesaurus/antonyms> |