23 entries under speculative topic. ×
| theoretical(adjective, philosophy, uncertain, doubtful, vague) | |
| abstract(adjective, philosophy, vague, general, logical) | |
| hypothetical(adjective, philosophy, uncertain, doubtful, imaginary) | |
| conjectural(adjective, philosophy, supposition, theoretical) | |
| suppositional(uncertain, doubtful, vague, supposition, theoretical) | |
| putative(uncertain, doubtful, vague, supposition, theoretical) | |
| supposed(uncertain, doubtful, vague, theoretical, assumed) | |
| assumed(adjective, uncertain, doubtful, vague, abstract) | |
| doubtful(uncertain, vague, imaginary, theoretical, supposed) | |
| suppositious(uncertain, doubtful, vague, supposition, theoretical) | |
| suppositive(uncertain, doubtful, supposition) | |
| surmised(uncertain, doubtful) | |
| surmising(uncertain, doubtful) | |
| suspect(uncertain, doubtful, vague, imaginary, theoretical) | |
| tentative(adjective, uncertain, doubtful, vague, logical) | |
| uncertain(doubtful, vague, imaginary, theoretical, assumed) | |
| unresolved(uncertain, doubtful) | |
| figured(uncertain, doubtful) | |
| guessing(uncertain, doubtful) | |
| guesstimated(uncertain, doubtful) |
For more, visit
Academic on
Power Thesaurus
| APA | Smart Define. (2015). academic thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/academic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "academic thesaurus" https://smartdefine.org/academic/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, academic thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/academic/thesaurus/synonyms>. |
| MLA | Smart Define. "academic thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/academic/thesaurus/synonyms> |