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
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How Much Salt to Use The amount of salt to use does vary greatly depending on the cut of the steak and the salt, but a helpful rule of thumb is to use about 1½ teaspoons of kosher salt per pound of steak.
—
Laura Manzano, Martha Stewart, 5 June 2026
Designer Jennie Holland abides by the rule of thumb to use no more than three ‘features’ on the exterior.
—Cameron Beall, Southern Living, 29 May 2026
By utilizing simple tools such as the 25X rule of thumb and the 4%+ rule of thumb, individuals may be able to back into practical income targets.
—Wes Moss, Forbes.com, 27 May 2026
But there are rules of thumb that can serve as a general starting point.
—Greg Iacurci, CNBC, 24 May 2026
See All Example Sentences for rule of thumb
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Laura Manzano, Martha Stewart, 5 June 2026
Designer Jennie Holland abides by the rule of thumb to use no more than three ‘features’ on the exterior.
—Cameron Beall, Southern Living, 29 May 2026
By utilizing simple tools such as the 25X rule of thumb and the 4%+ rule of thumb, individuals may be able to back into practical income targets.
—Wes Moss, Forbes.com, 27 May 2026
But there are rules of thumb that can serve as a general starting point.
—Greg Iacurci, CNBC, 24 May 2026
See All Example Sentences for 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 11 Jun. 2026.
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