Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “before you can say Jack Robinson”

See all translations

before you can say Jack Robinson

old-fashioned informal
used to say that something happens very quickly: Before you could say Jack Robinson, she'd jumped into the car and driven away.
Translations of “before you can say Jack Robinson”
in Chinese (Traditional) 轉瞬間,一眨眼…
in Chinese (Simplified) 转瞬间,一眨眼…
(Definition of before you can say Jack Robinson from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

More meanings of “before you can say Jack Robinson”

Word of the Day

pot luck

anything that is available or is found by chance, rather than something chosen, planned, or prepared

Word of the Day

Think long and hard; the language of decisions

by Liz Walter,
January 28, 2015
One of the best ways (perhaps the best way) to improve your English is to learn how words go together in phrases, idioms, or other patterns such as verb/noun or adjective/noun pairs (often called ‘collocations’). This blog looks at some useful phrases and collocations connected with the subject of decisions, something we

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More