trial and error

noun

Synonyms of trial and errornext
: 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

Examples of trial and error in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Testing out serums, in particular, takes a lot of trial and error. Michelle Baricevic, InStyle, 14 Jan. 2026 Through generations of trial and error, most Red Lake Nation members know to stay off the big lake in the winter, opting instead to fish for trout in smaller lakes and streams. Stephanie Pearson, Outside, 14 Jan. 2026 Finally finding the simple natural linen one made up for all the trial and error. Elly Leavitt, Vogue, 13 Jan. 2026 Training begins in a simulated environment using reinforcement learning, where the robot improves by trial and error. Jijo Malayil, Interesting Engineering, 7 Jan. 2026 See All Example Sentences for trial and error

Word History

First Known Use

1806, in the meaning defined above

Time Traveler
The first known use of trial and error was in 1806

Browse Nearby Words

Cite this Entry

“Trial and error.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trial%20and%20error. Accessed 16 Jan. 2026.

Kids Definition

trial and error

noun
: the trying of one thing or another until something succeeds

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