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
The data show the issue is more complicated than the rule of thumb.
—
Bob Carlson, Forbes.com, 22 Apr. 2025
The rule of thumb is to make sure there is room for adequate airflow around the machine, which means keeping it at least 6 inches away from walls and furniture or any other obstructions that may inhibit airflow.
—Bestreviews, Chicago Tribune, 14 Apr. 2025
Avid Travel + Leisure readers already know that this rule of thumb also applies to build-it-yourself tiny homes.
—Amelia McBride, Travel + Leisure, 25 Mar. 2025
The rule of thumb for eating more fiber is to go slow, make one change at a time and drink plenty of fluids.
—Hannah Yasharoff, USA TODAY, 21 Mar. 2025
See All Example Sentences for rule of thumb
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.
Bob Carlson, Forbes.com, 22 Apr. 2025
The rule of thumb is to make sure there is room for adequate airflow around the machine, which means keeping it at least 6 inches away from walls and furniture or any other obstructions that may inhibit airflow.
—Bestreviews, Chicago Tribune, 14 Apr. 2025
Avid Travel + Leisure readers already know that this rule of thumb also applies to build-it-yourself tiny homes.
—Amelia McBride, Travel + Leisure, 25 Mar. 2025
The rule of thumb for eating more fiber is to go slow, make one change at a time and drink plenty of fluids.
—Hannah Yasharoff, USA TODAY, 21 Mar. 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 4 May. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share