- trial-and-error - trying out various means or theories until error is satisfactorily reduced or eliminated; "he argued that all learning is a trial-and-error process that resembles biological evolution"
Antonyms: theoretical, theoretic (indirect, via empirical)
- trial-and-error - relating to solving problems by experience rather than theory; "they adopted a trial-and-error procedure"
Antonym: algorithmic (indirect, via heuristic)