Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “sudden”

sudden

adjective uk   /ˈsʌd.ən/ us  
B2 happening or done quickly and without warning: Drop the gun, put your hands in the air, and don't make any sudden movements. He had a sudden heart attack while he was on holiday. First they announce their engagement and then they tell me Angie's pregnant - it's all a bit sudden really.Not expected or planned
suddenness
noun [U] uk   /-nəs/ us  
It was the suddenness of his illness that came as such a shock.Not expected or planned
(Definition of sudden from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of sudden?
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

Definitions of “sudden” in other dictionaries

Word of the Day

hoppy

like hops (= dried fruit used to make beer)

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