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 As a rule of thumb, be sure to leave your pets, booze, drones and weapons at home, and don’t forget to bring lawn chairs and blankets. John Wenzel, The Denver Post, 20 June 2024 As a rule of thumb, general conversation registers around the top of this range. Samson McDougall, Health, 18 June 2024 Crown Your Short King A classic rule of thumb for satire is to heighten reality only just so, and a dating show for short kings measures up accordingly. Joe Berkowitz, Vulture, 21 Jan. 2024 As a rule of thumb, experts suggest settling for side or back positions as much as possible. Brianna Kamienski, The Arizona Republic, 12 June 2024 See all Example Sentences for rule of thumb 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'rule of thumb.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 7 Jul. 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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