Trial and error is a fundamental method of problem-solving. It is characterized by repeated, varied attempts which are continued until success, or until the practicer stops trying. According to W.H.

What means by trial-and-error?

: a finding out of the best way to reach a desired result or a correct solution by trying out one or more ways or means and by noting and eliminating errors or causes of failure also : the trying of one thing or another until something succeeds.

What is trial-and-error in business?

Trial-and-error learning is a continuous process of experimenting with various methods of doing something until one finds the most successful. With a trial-and-error approach, entrepreneurs continuously make small steps, allowing them to chase larger opportunities ahead.