Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “begin”

begin

verb [I/T]  /bɪˈɡɪn/ (present participle beginning, past tense began  /bɪˈɡæn/, past participle begun  /bɪˈɡʌn/) us  
to do or be the first part of something that continues; start: [T] He begins his new job on Monday. [I] The movie begins at seven. [I] I began by explaining why I had come.
(Definition of begin from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of begin?
Browse related topics

You are looking at an entry to do with Complicated and difficult to do, but you might be interested in these topics from the Easy and difficult topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “begin” in other dictionaries

Word of the Day

roost

When birds roost, they go somewhere to rest or sleep.

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