147 entries under adjective topic. ×

5
probative
5
temporary(new, unsettled, extra, trial)
5
unconventional(new, modern, pioneering, trailblazing)
4
avant-garde(new, modern, first, early)
4
empiric
4
practical(useful, realistic, reasoning, intellectual)
4
preparatory
4
revolutionary(new, pioneering, trailblazing, secretive)
4
trial-and-error(new, fresh, trial, untried)
4
unorthodox
4
unusual(secretive, subversive, dissident)
3
artistic
3
beginning
3
conjectural
3
expressive
3
fertile
3
gifted
3
hit-or-miss
3
hypothetical
3
imaginative
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APASmart Define. (2015). experimental thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/experimental/thesaurus/synonyms
ChicagoSmart Define. 2015. "experimental thesaurus" https://smartdefine.org/experimental/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, experimental thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/experimental/thesaurus/synonyms>.
MLASmart Define. "experimental thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/experimental/thesaurus/synonyms>