58 entries under abstract topic. ×

1
intangible(theoretical, abstruse, philosophical)
1
intellectual(adjective, supernatural, spiritual, unreal)
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
metaphysical(adjective, physical, theoretical, presence)
1
mystical(theoretical, abstruse, philosophical)
1
nonmaterial(theoretical, abstruse, philosophical)
1
nonphysical(theoretical, abstruse, philosophical)
1
notional(adjective, intellectual, unreal, unattainable)
1
numinous(theoretical, abstruse, philosophical)
1
out-of-reach(adjective, intellectual, unreal, unattainable)
1
oversubtle(theoretical, abstruse, philosophical)
1
philosophical(theoretical, abstruse)
1
preternatural(theoretical, abstruse, philosophical)
1
profound(theoretical, abstruse, philosophical)
1
recondite(theoretical, abstruse, philosophical)
1
spiritual(theoretical, abstruse, philosophical)
1
superhuman(daring, stout, gallant, theoretical)
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APASmart Define. (2015). high-flown thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/high-flown/thesaurus/synonyms
ChicagoSmart Define. 2015. "high-flown thesaurus" https://smartdefine.org/high-flown/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, high-flown thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/high-flown/thesaurus/synonyms>.
MLASmart Define. "high-flown thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/high-flown/thesaurus/synonyms>