Meaning of the word "I'll bet" in English

What does "I'll bet" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

I'll bet

US /aɪl bet/
UK /aɪl bet/
"I'll bet" picture

Phrase

1.

used to say that you are fairly sure that something is true or will happen

Example:
I'll bet it's going to rain later today.
I'll bet he forgot about the meeting.
2.

used to show that you are not at all surprised by what someone has just told you

Example:
"He was really angry." "I'll bet!"
"The food was terrible." "I'll bet."