it's a small world
idiomPart ofsmall
it's a small world — idiom
1. used to express surprise when you meet someone you know in an unexpected place o
1.idiom
Definition
used to express surprise when you meet someone you know in an unexpected place or discover a connection with a stranger
Example
I met my old neighbour from Taipei at a café in Paris. It's a small world, isn't it?
Sora discovered that the person sitting next to her on the flight grew up on her street in Seoul. "What a small world!" she said.