25 entries under unattainable topic. ×

23
theoretical(adjective, obscure, extraordinary, superior, uncertain)
15
abstract(adjective, obscure, extraordinary, superior, fantastic)
12
ideal(adjective, extraordinary, superior, fantastic, real)
11
imaginary(adjective, negative, intellectual, unreal, absent)
9
transcendent(adjective, great, extraordinary, real, intellectual)
8
notional(adjective, intellectual, abstract, risky, imaginary)
5
unreal(adjective, negative, intellectual, supernatural, abstract)
4
transcendental(adjective, great, superior, real, intellectual)
3
fictitious(adjective, fantastic, intellectual, abstract, unreal)
2
chimerical(adjective, negative, intellectual, unreal, absent)
2
fanciful(adjective, fantastic, pretend, intellectual, abstract)
2
visionary(adjective, fantastic, pretend, intellectual, abstract)
1
conceptual impractical(expression, intellectual, abstract, unreal)
1
dreamlike(adjective, negative, intellectual, abstract, unreal)
1
extravagant(adjective, intellectual, abstract, unreal)
1
high-flown(adjective, intellectual, supernatural, abstract, unreal)
1
in the clouds(expression, adjective, idiom, intellectual, unreal)
1
intellectual(adjective, obscure, extraordinary, fantastic, whole)
1
ivory-tower(adjective, intellectual, abstract, unreal)
1
mental(adjective, intellectual, abstract, unreal)
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APASmart Define. (2015). hypothetical thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/hypothetical/thesaurus/synonyms
ChicagoSmart Define. 2015. "hypothetical thesaurus" https://smartdefine.org/hypothetical/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, hypothetical thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/hypothetical/thesaurus/synonyms>.
MLASmart Define. "hypothetical thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/hypothetical/thesaurus/synonyms>