3 entries under abstract topic. ×
| reality(noun, thing) | |
| entity(noun, object) | |
| concreteness |
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| APA | Smart Define. (2016). idea thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/idea/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "idea thesaurus" https://smartdefine.org/idea/thesaurus/antonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, idea thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/idea/thesaurus/antonyms>. |
| MLA | Smart Define. "idea thesaurus" 25 February 2016. Web. 25 September 2026. <https://smartdefine.org/idea/thesaurus/antonyms> |