trial and error
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trial and error
A process of determining the correct way in which to do something by making multiple attempts and learning from any possible failures or mistakes. Hyphenated if used as a modifier before a noun. I didn't have any instructions for reassembling the machine, so it was just a case of trial and error until I got it right. You take a trial-and-error approach to this issue—we need to make sure we get it right the first time!
trial and error
trying repeatedly for success. I finally found the right key after lots of trial and error. Sometimes trial and error is the only way to get something done.
trial and error
An attempt to accomplish something by trying various means until the correct one is found. for example, The only way to solve this problem is by trial and error. The error here alludes to the failed means or attempts, which are discarded until the right way is found. [c. 1800]