Meaning of the word "bound to" in English

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

bound to

US /baʊnd tuː/
UK /baʊnd tuː/

Phrase

certain or extremely likely to happen

Example:
It's bound to rain later, so take an umbrella.
You're bound to succeed if you work hard.