Synonyms|796Antonyms|149|Broader|10Narrower|0Related|951

56 entries under theoretical topic. ×

1
philosophical(abstract, abstruse)
1
preternatural(abstract, abstruse, philosophical)
1
profound(abstract, abstruse, philosophical)
1
recondite(abstract, abstruse, philosophical)
1
speculative(excellent, gentle, marvelous, vague, abstract)
1
superhuman(abstract, abstruse, philosophical)
1
superior(abstract, abstruse, philosophical)
1
supermundane(abstract, abstruse, philosophical)
1
suprahuman(abstract, abstruse, philosophical)
1
supramundane(abstract, abstruse, philosophical)
1
supranatural(abstract, abstruse, philosophical)
1
transcendental(abstract, abstruse, philosophical)
1
universal(abstract, abstruse, philosophical)
0
conjectural(abstract, philosophical)
0
ontological(abstract, philosophical)
0
philosophic(abstract, philosophical)
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APASmart Define. (2016). unsubstantial thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unsubstantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsubstantial thesaurus" https://smartdefine.org/unsubstantial/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unsubstantial thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unsubstantial/thesaurus/synonyms>.
MLASmart Define. "unsubstantial thesaurus" 30 March 2016. Web. 29 September 2026. <https://smartdefine.org/unsubstantial/thesaurus/synonyms>