147 entries under adjective topic. ×

2
medical
2
momentary
2
primary
2
progressive(new, modern, pioneering, trailblazing)
2
proven
2
psychological(mind, emotional, mental)
2
sample(trial, probationary)
2
scientific(systematic, technical)
2
testing(suspect, tentative, probationary, investigative)
2
theoretical
2
unconcluded(new, fresh, trial, untried)
2
unproved
2
unproven
1
model(noun, trial)
1
advanced
1
applied(reasonable, sensible, useful, sober)
1
benchmarked
1
both feet on the ground(expression, idiom, reasonable, sensible)
1
businesslike(reasonable, sensible, useful, sober)
1
commonsensical(reasonable, sensible, rational, useful)
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APASmart Define. (2015). experimental thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/experimental/thesaurus/synonyms
ChicagoSmart Define. 2015. "experimental thesaurus" https://smartdefine.org/experimental/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, experimental thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/experimental/thesaurus/synonyms>.
MLASmart Define. "experimental thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/experimental/thesaurus/synonyms>