Synonyms for Trial-and-error | Trial-and-error at Open Dictionary of English by LearnThat Foundation

Synonyms for Trial-and-error (same or very similar meaning)

WordNet sense 1 (derived from experiment and observation rather than theory):

empirical, empiric

WordNet sense 2 (of or relating to or using a general formulation that serves to guide investigation):

heuristic

From the ODE community, based on WordNetadd/edit