- Definitions|2
- Thesaurus|880
- Abbreviations|0
| philosophical(abstract, theoretical, academic, hypothetical, theoretic) | |
| probationary | |
| problematical | |
| prophesied(adjective, suppositional) | |
| provisional | |
| provisionary | |
| provisory | |
| refutable | |
| subject to change | |
| supposable | |
| surmised(adjective, speculative) | |
| surmising(adjective, speculative, predictive) | |
| suspected | |
| suspicious | |
| transcendental(vague, abstract, theoretical, academic, philosophical) | |
| unclear(adjective, doubtful, vague, hesitant, changeable) | |
| unconfirmed(doubtful, unsettled, vague, questionable, assumed) | |
| undecided(doubtful, unsettled, vague, hesitant, indefinite) | |
| undetermined(adjective, doubtful, vague, hesitant, unpredictable) | |
| unearthly(vague, abstract, theoretical, academic, philosophical) |
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| APA | Smart Define. (2015). conjectural thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/conjectural/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "conjectural thesaurus" https://smartdefine.org/conjectural/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, conjectural thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/conjectural/thesaurus/synonyms>. |
| MLA | Smart Define. "conjectural thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/conjectural/thesaurus/synonyms> |