Meaning of the word "about time" in English

What does "about time" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

about time

US /əˈbaʊt taɪm/
UK /əˈbaʊt taɪm/
"about time" picture

Idiom

1.

used to say that something should have happened sooner or a long time ago

Example:
It's about time you cleaned your room!
The train is finally here. About time!
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