Meaning of the word "by any chance" in English

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

by any chance

US /baɪ ˈɛni tʃæns/
UK /baɪ ˈɛni tʃɑːns/

Phrase

used to ask if something is true or possible, often when you do not expect it to be

Example:
Do you happen to have a pen, by any chance?
Are you going to the party by any chance?