Meaning of the word "as regular as clockwork" in English

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

as regular as clockwork

US /æz ˈrɛɡjələr æz ˈklɑːkwɜːrk/
UK /æz ˈrɛɡjʊlə əz ˈklɒkwɜːk/

Idiom

very regularly and predictably

Example:
The bus arrives as regular as clockwork every morning.
His habits are as regular as clockwork; you can always find him in the library at 3 PM.