Meaning of the word "by chance" in English

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

by chance

US /baɪ tʃæns/
UK /baɪ tʃæns/
"by chance" picture

Phrase

1.

without planning or intention; accidentally

Example:
I met my old friend by chance at the airport.
Did you find that book by chance or were you looking for it?
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