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.
Just be prepared for some trial and error with different apps. — Will Greenwald, PC Magazine, 16 Oct. 2026 That means crews can spend less time swapping between multiple bulky devices and troubleshooting lighting problems through trial and error. — Matthew Huff, Time, 15 Oct. 2026 After many attempts of trial and error in a simulated environment, MonoRace figured out the best ways to quickly solve navigation problems and then apply that in the real world. — Mack Degeurin, Popular Science, 14 Oct. 2026 Before taking its first real steps, PhoneBot practiced in a virtual world using reinforcement learning – essentially trial and error with a scorecard. — New Atlas, 13 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

Rhymes for trial and error

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Browse Nearby Words

trial
trial and error
trial at bar
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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 19 Oct. 2026.

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Kids Definition

trial and error

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

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