Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “rule of thumb”

See all translations

rule of thumb

C1 a practical and approximate way of doing or measuring something: A good rule of thumb is that a portion of rice is two handfuls.
Translations of “rule of thumb”
in Chinese (Traditional) 實用的估測方法, 經驗之談, 經驗法則…
in Chinese (Simplified) 实用的估测方法, 经验之谈, 经验法则…
(Definition of rule of thumb from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “rule of thumb” in other dictionaries

Word of the Day

glacial

made or left by a glacier

Word of the Day

Let’s celebrate! (words and phrases for parties)

by Kate Woodford,
December 17, 2014
​​​ With Christmas and New Year almost upon us, we thought it a good time to look at the language of parties and celebrations. First, let’s start with the word ‘party’ itself. To have or throw a party or, less commonly, to give a party is to arrange a party: We’re having a

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More