Meaning of the word "for sure" in English

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

for sure

US /fɔr ʃʊr/
UK /fɔː ʃɔː/

Phrase

certainly; without a doubt

Example:
Are you coming to the party? Yes, for sure!
I can tell you for sure that he won't be late.