78 entries under noun topic. ×

5
test(adjective, study, check, measure)
4
experiment(study, check, struggle, approach)
3
assay(study, check, measure, struggle)
3
cut and try(expression, idiom, approach)
3
experimentation(study, measure, struggle, examination)
3
hit and miss(expression, idiom, study, approach)
3
research and development(expression, idiom, study, measure)
3
trial(adjective, study, check, measure)
2
analysis(study, check, measure, struggle)
2
attempt(study, check, measure, struggle)
2
crack(struggle, examination, test, effort)
2
effort(struggle, examination, test, experiment)
2
endeavor(struggle, examination, test, effort)
2
essay(study, check, measure, struggle)
2
examination(study, check, measure, struggle)
2
fling(study, check, measure, struggle)
2
lick(check, struggle, approval, examination)
2
probe
2
research
2
rule of thumb(expression, idiom, rule)
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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" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/trial_and_error/thesaurus/synonyms>