77 entries under theoretical topic. ×
| uncertain(verb, adjective, doubtful, dubious, likely) | |
| reputed(adjective, uncertain, doubtful, supposed) | |
| suspect(verb, adjective, uncertain, doubtful, dubious) | |
| unreal(adjective, negative, intellectual, supernatural, abstract) | |
| transcendental(adjective, great, superior, real, intellectual) | |
| fantastic(adjective, excellent, obscure, extraordinary, superior) | |
| intangible(adjective, intellectual, abstract, indefinite, insubstantial) | |
| made-up(fantastic, unreal, fictitious, invented) | |
| unpractical | |
| abstruse(intellectual, abstract, insubstantial, imperceptible) | |
| contestable(adjective, imaginary, supposed, assumed) | |
| estimated(supposed, speculative, alleged, presumed) | |
| insubstantial(negative, abstract, imperceptible, vacant) | |
| philosophical(intellectual, abstract, academic, notional) | |
| postulated(adjective, expected, imaginary, supposed) | |
| presupposed(adjective, expected, imaginary, apparent) | |
| refutable(adjective, imaginary, supposed, assumed) | |
| unconfirmed(adjective, uncertain, doubtful, dubious, imaginary) | |
| conjecturable(adjective, imaginary, supposed, assumed) | |
| fictional(negative, fantastic, unreal, fictitious) |
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| APA | Smart Define. (2015). hypothetical thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/hypothetical/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hypothetical thesaurus" https://smartdefine.org/hypothetical/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, hypothetical thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/hypothetical/thesaurus/synonyms>. |
| MLA | Smart Define. "hypothetical thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/hypothetical/thesaurus/synonyms> |