- Definitions|2
- Thesaurus|896
- Abbreviations|0
39 entries under adjective topic. ×
| indefinite | |
| indeterminate | |
| indistinct | |
| indistinguishable | |
| insignificant | |
| intangible | |
| lax | |
| moot | |
| mysterious | |
| nebulous | |
| secret | |
| shadowy | |
| tentative | |
| tenuous | |
| uncertain | |
| unclear | |
| undefined | |
| undetectable | |
| undetermined |
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| APA | Smart Define. (2015). demonstrable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/demonstrable/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "demonstrable thesaurus" https://smartdefine.org/demonstrable/thesaurus/antonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, demonstrable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/demonstrable/thesaurus/antonyms>. |
| MLA | Smart Define. "demonstrable thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/demonstrable/thesaurus/antonyms> |