rule of thumb

noun phrase

1
: a method of procedure based on experience and common sense
2
: a general principle regarded as roughly correct but not intended to be scientifically accurate

Examples of rule of thumb 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.
Don’t Regift within the Same Group A good rule of thumb is to separate family and friend gifts. Emily Williams, Better Homes & Gardens, 8 Dec. 2024 As a rule of thumb, wrap bigleaf and oakleaf hydrangeas in burlap when air temperatures are expected to fall below 15°F. Kim Toscano, Southern Living, 8 Dec. 2024 Another rule of thumb is to keep raw meat and poultry away from other foods to minimize cross contamination. Karen Garcia, Los Angeles Times, 8 Dec. 2024 If your 2025 goals include a kitchen renovation, a good rule of thumb is to budget 15% of your home's value, designers tell Axios. Brianna Crane, Axios, 5 Dec. 2024 See all Example Sentences for rule of thumb 

Word History

First Known Use

circa 1658, in the meaning defined at sense 1

Time Traveler
The first known use of rule of thumb was circa 1658

Dictionary Entries Near rule of thumb

Cite this Entry

“Rule of thumb.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rule%20of%20thumb. Accessed 15 Dec. 2024.

Kids Definition

rule of thumb

1
: a method based on experience and common sense
2
: a general principle that is roughly correct
Last Updated: - Updated example sentences
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