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Definitions

trial and error

NOUN
experimental approach
Synonyms
WEAK
R and D analysis cut and try examination experiment hit and miss hit or miss probe research research and development study tentation test

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It took some trial and error to arrive at the 15-minute construct.

From The Wall Street Journal • Apr. 2, 2026

"Then I thought, what if we could map the entire brain and gain a much broader view? It took several rounds of testing and trial and error before the measurements and analysis worked well together."

From Science Daily • Mar. 1, 2026

Figuring out who and how you love takes trial and error, two things Andie and Blane both endure while trying to fit into each other’s respective worlds.

From Salon • Feb. 28, 2026

With no formal engineering background, Richardson began collecting information online, perusing old manuals, learning through trial and error.

From Los Angeles Times • Feb. 20, 2026

It took some trial and error, but Penelope soon discovered that Alexander would get in the tub only if the water was quite cool and perfectly still.

From "The Incorrigible Children of Ashton Place: Book I: The Mysterious Howling" by Maryrose Wood