4
experimental(adjective, new, fresh, trial, untried)
4
heuristic
3
empirical
2
pilot(adjective, new, trial, untried, tentative)
2
probationary(adjective, new, fresh, trial, untried)
2
provisional(adjective, new, trial, untried, tentative)
2
tentative(adjective, new, trial, untried, preliminary)
2
test(adjective, new, trial, untried, tentative)
2
trial(adjective, new, untried, tentative, preliminary)
1
beginning
1
developmental(adjective, new, fresh, trial, untried)
1
experiential(adjective, new, fresh, trial, untried)
1
exploratory(adjective, new, trial, untried, tentative)
1
first stage(expression, adjective, new, fresh, trial)
1
laboratory
1
momentary
1
on approval(expression, adjective, new, fresh, trial)
1
preliminary(adjective, new, trial, untried, tentative)
1
preparatory
1
primary
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APASmart Define. (2015). trial-and-error thesaurus. Retrieved September 20, 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 20, 2026).
HarvardSmart Define 2015, trial-and-error thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/trial-and-error/thesaurus/synonyms>.
MLASmart Define. "trial-and-error thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/trial-and-error/thesaurus/synonyms>