Dictionary Home »
Dictionary Definitions » rule of thumb
rule of thumb
A rule of thumb is a generally accepted guideline, policy or method of doing something based on practice rather than facts. (noun)
An example of a rule of thumb is the general guideline that you don't wear white after Labor Day.
YourDictionary Definitions. Copyright © 2012 by LoveToKnow Corp.
See rule of thumb in Webster's New World College Dictionary
See rule of thumb in American Heritage Dictionary 4
Learn more about rule of thumb