12 entries under prefatory topic. ×

4
experimental(adjective, new, fresh, trial, untried)
2
probationary(adjective, new, fresh, trial, untried)
1
developmental(adjective, new, fresh, trial, untried)
1
experiential(adjective, new, fresh, trial, untried)
1
first stage(expression, adjective, new, fresh, trial)
1
on approval(expression, adjective, new, fresh, trial)
1
unconcluded(adjective, new, fresh, trial, untried)
1
under probation(expression, adjective, new, fresh, trial)
0
inductive(adjective, fresh, tentative, probationary, exploratory)
0
precursory(adjective, fresh, tentative, probationary, exploratory)
0
prolegomenous(adjective, fresh, tentative, probationary, exploratory)
0
tester(adjective, fresh, tentative, preliminary, probationary)
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APASmart Define. (2015). trial-and-error thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/trial-and-error/thesaurus/synonyms
ChicagoSmart Define. 2015. "trial-and-error thesaurus" https://smartdefine.org/trial-and-error/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, trial-and-error thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/trial-and-error/thesaurus/synonyms>.
MLASmart Define. "trial-and-error thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/trial-and-error/thesaurus/synonyms>