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!
See also: and, error, trial
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

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.
See also: and, error, trial
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

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]
See also: and, error, trial
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

trial and error

the process of experimenting with various methods of doing something until you find the most successful.
See also: and, error, trial
Farlex Partner Idioms Dictionary © Farlex 2017
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