Meaning of the word "at the eleventh hour" in English

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

at the eleventh hour

US /ət ðə ɪˈlɛvənθ ˈaʊər/
UK /ət ðə ɪˈlɛvənθ ˈaʊər/

Idiom

at the last possible moment

Example:
The rescue team arrived at the eleventh hour, just before the building collapsed.
He always leaves his homework until the eleventh hour.