Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “since”

since

conjunction
 
 
/sɪns/
TIME B1 from a time in the past until a later time or until now: He's been much happier since he started his new job. I've known Tim since he was seven.Starting from a particular time
BECAUSE B1 because: He drove quite slowly since we had plenty of time.Connecting words which introduce a cause or reason
(Definition of since conjunction from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “since” in other dictionaries

Word of the Day

beer mat

a small piece of cardboard that you put under a glass to protect a table surface in a pub or bar

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