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
Traps can take some trial and error and may take multiple attempts because a mole may change its habits.
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Arricca Elin Sansone, Southern Living, 17 Oct. 2025
In this way, the robot’s system zero has learned by trial and error to walk and stay upright with high accuracy.
—Billy Perrigo, Time, 9 Oct. 2025
Reinforcement learning is a decades-old approach that involves evolving systems through trial and error to improve outcomes over time.
—Jordan Novet, CNBC, 8 Oct. 2025
A lot of entrepreneurship is trial and error.
—Tim Brinkhof, Big Think, 6 Oct. 2025
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Arricca Elin Sansone, Southern Living, 17 Oct. 2025
In this way, the robot’s system zero has learned by trial and error to walk and stay upright with high accuracy.
—Billy Perrigo, Time, 9 Oct. 2025
Reinforcement learning is a decades-old approach that involves evolving systems through trial and error to improve outcomes over time.
—Jordan Novet, CNBC, 8 Oct. 2025
A lot of entrepreneurship is trial and error.
—Tim Brinkhof, Big Think, 6 Oct. 2025
See All Example Sentences for trial and error
Cite this Entry
“Trial and error.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trial%20and%20error. Accessed 20 Oct. 2025.
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