5
theoretical
4
hypothetical
3
conjectural
3
theoretic
2
speculative
2
unobserved
1
metaphysical
1
unproved(adjective, theoretical)
0
a priori
0
abstractive
0
academic
0
divinatory
0
hypothetic
0
impractical
0
notional
0
supposed
0
suppositional
0
suppositious
0
supposititious
0
theory-based
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APASmart Define. (2015). empirical thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/empirical/thesaurus/antonyms
ChicagoSmart Define. 2015. "empirical thesaurus" https://smartdefine.org/empirical/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, empirical thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/empirical/thesaurus/antonyms>.
MLASmart Define. "empirical thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/empirical/thesaurus/antonyms>