Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “sudden”

sudden

adjective
 
 
/ˈsʌdən/
B2 done or happening quickly and unexpectedly: a sudden change/increase His sudden death was a great shock to us all.Not expected or planned
all of a sudden B2 unexpectedly: All of a sudden she got up and walked out.Not expected or planned
suddenness noun [U]
(Definition of sudden from the Cambridge Learners Dictionary © Cambridge University Press)
Browse related topics

You are looking at an entry to do with Not expected or planned, but you might be interested in these topics from the Thinking about the future topic area:

Add Cambridge dictionaries to your browser to your website

More Learner's Dictionary definitions for “sudden”

Definitions of “sudden” in other dictionaries

Word of the Day

pint

a measure for liquid equal to about half a litre

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More