Meaning of the word "without notice" in English

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

without notice

US /wɪˈðaʊt ˈnoʊ.tɪs/
UK /wɪˈðaʊt ˈnəʊ.tɪs/
"without notice" picture

Phrase

suddenly and without any prior warning or information

Example:
The rules can be changed without notice.
He left the company without notice.