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, experts suggest settling for side or back positions as much as possible. Brianna Kamienski, The Arizona Republic, 12 June 2024 As a rule of thumb, sneakers with suits are a terrible idea. Guy Trebay, New York Times, 3 June 2024 Business News The 5 most affordable cities for first-time home buyers — and the 5 least affordable All the most expensive cities are located along the coasts By Start Slideshow An old rule of thumb may not be so handy anymore. Rocio Fabbro, Quartz, 2 June 2024 As a rule of thumb, societies with fewer people tend to have smaller economies, as do societies where the elderly make up a disproportionate share of the population. Nicholas Eberstadt, Foreign Affairs, 8 May 2024 This ‘rule of thumb’ takes into account that running shoes tend to run small and that feet may swell while running. Rachel Chang, Condé Nast Traveler, 22 Mar. 2024 Preparing for the unexpected is a good rule of thumb when camping, especially in terms of clothing and footwear. Kevin Brouillard, Travel + Leisure, 23 May 2024 But one rule of thumb is that some brands are geared toward specific age demographics. Leslie Patrick, Travel + Leisure, 17 May 2024 The rule of thumb, explosives experts say, is that 10% of munitions do not detonate on impact. Anas Baba, NPR, 13 May 2024

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 18 Jun. 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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