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.
These training sessions will use physical models, algorithms, and human knowledge built through years of trial and error. — Muskan Bhatia, Interesting Engineering, 23 Oct. 2026 There are more than 20 disease-modifying therapies for MS, Bebo said, so figuring out the best one for you might involve trial and error. — Erica Sloan, Washington Post, 22 Oct. 2026 That habit comes partly from how these systems learn – much of their skill is built through trial and error. — Anat Lior, The Conversation, 21 Oct. 2026 In plain terms, that means fewer handoffs between departments, shorter timelines and more decisions made by simulation and data instead of trial and error. — Nick Lichtenberg, Fortune, 20 Oct. 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

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Cite this Entry

“Trial and error.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trial%20and%20error. Accessed 27 Oct. 2026.

Kids Definition

trial and error

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

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