trial and error

noun

: 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.
Mandelic acid solved what years of trial and error of AHAs, BHAs, spot treatments, and facials seemingly couldn’t—consistently clearer skin. Conçetta Ciarlo, Vogue, 14 Aug. 2025 Dialing in the best festival gear takes a lot of trial and error. Louryn Strampe, Wired News, 8 Aug. 2025 There was a lot of trial and error to get to the result: a nonaerosol, talc-free formula that makes hair feel clean and adds volume. Jackie Fields, People.com, 5 Aug. 2025 The pleasure Warner brings to the exchange reflects just how much his character has transformed from an aimless teen afraid to fail into an adult who recognizes that trial and error are part of life. Laura Bradley, The Atlantic, 2 Aug. 2025 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 23 Aug. 2025.

Kids Definition

trial and error

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

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