Definition, Meaning & Synonyms
a rule of thumb
noun
/ə ruːl əv θʌm/

Definition
A general principle or guideline based on practical experience rather than theory.

Examples
- As a rule of thumb, it’s best to have at least eight hours of sleep each night.
- A rule of thumb for cooking pasta is to use one liter of water for every 100 grams of pasta.

Meaning
This phrase refers to a method or approach that is based on experience rather than a strict rule, allowing for flexibility in its application.

Synonyms
- Guideline
- General principle
- Rule of practice