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
In years past, keeping a tight lid on revealing that a mental health condition exists was the standard rule of thumb.
—
Lance Eliot, Forbes.com, 23 Aug. 2025
One cup of matcha per day for those who deal with iron issues is a good rule of thumb, and matcha drinkers should also try and eat iron from a variety of sources, such as leafy greens, tofu and seeds.
—Charlotte Phillipp, People.com, 22 Aug. 2025
If you get caught in a rip current, try to stay calm and follow the below advice from the NWS:
Keep your cool:
Your first rule of thumb: Keep a clear head.
—Nc Weather Bot, Charlotte Observer, 19 Aug. 2025
Avid Travel + Leisure readers already know that this rule of thumb also applies to build-it-yourself tiny homes.
—Amelia McBride, Travel + Leisure, 16 Aug. 2025
See All Example Sentences for rule of thumb
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Lance Eliot, Forbes.com, 23 Aug. 2025
One cup of matcha per day for those who deal with iron issues is a good rule of thumb, and matcha drinkers should also try and eat iron from a variety of sources, such as leafy greens, tofu and seeds.
—Charlotte Phillipp, People.com, 22 Aug. 2025
If you get caught in a rip current, try to stay calm and follow the below advice from the NWS:
Keep your cool:
Your first rule of thumb: Keep a clear head.
—Nc Weather Bot, Charlotte Observer, 19 Aug. 2025
Avid Travel + Leisure readers already know that this rule of thumb also applies to build-it-yourself tiny homes.
—Amelia McBride, Travel + Leisure, 16 Aug. 2025
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 28 Aug. 2025.
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