69 entries under abstract topic. ×

1
eternal(perfect, marvelous, theoretical, abstruse)
1
extravagant(adjective, intellectual, unreal, unattainable)
1
fanciful(adjective, intellectual, unreal, unattainable)
1
fictitious(adjective, intellectual, unreal, unattainable)
1
fundamental(theoretical, abstruse, philosophical)
1
high-flown(adjective, intellectual, supernatural, spiritual)
1
hypothetical(adjective, vague, intellectual, supernatural)
1
intellectual(adjective, vague, supernatural, logical)
1
ivory-tower(adjective, intellectual, unreal, unattainable)
1
jesuitic(theoretical, abstruse, philosophical)
1
mental(adjective, intellectual, unreal, unattainable)
1
mercurial(adjective, intellectual, unreal, unattainable)
1
notional(adjective, vague, intellectual, unreal)
1
out-of-reach(adjective, intellectual, unreal, unattainable)
1
oversubtle(theoretical, abstruse, philosophical)
1
philosophical(theoretical, abstruse, academic, hypothetical)
1
profound(obscure, deep, mysterious, weird)
1
quixotic(adjective, vague, intellectual, logical)
1
recondite(obscure, deep, mysterious, theoretical)
1
speculative(vague, theoretical, academic, philosophical)
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APASmart Define. (2016). unearthly thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unearthly/thesaurus/synonyms
ChicagoSmart Define. 2016. "unearthly thesaurus" https://smartdefine.org/unearthly/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, unearthly thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unearthly/thesaurus/synonyms>.
MLASmart Define. "unearthly thesaurus" 31 March 2016. Web. 30 September 2026. <https://smartdefine.org/unearthly/thesaurus/synonyms>