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Definition |
General principle |
Examples |
1) Wearing formal attire for a wedding has become the
rule of thumb.
2) A general rule of thumb in human
interaction is not to call people names. |
Etymology |
The term originated from an old English
law, which allegedly permitted a man to beat his wife with a stick no
thicker than the diameter of his thumb. |
Synonyms |
norm, protocol, standard, guideline |
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