Meaning of the word "without fail" in English

What does "without fail" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

without fail

US /wɪðˈaʊt feɪl/
UK /wɪðˈaʊt feɪl/

Idiom

always; without exception

Example:
He calls his mother every Sunday, without fail.
The alarm goes off at 6 AM without fail.