1. coincidence
What a coincidence!
We happened to meet again through a strange coincidence.
It was a coincidence that both boys were called 'Jim' by their new parents.
It was pure coincidence that we both married dentists.
What a coincidence! / That's an amazing coincidence.
This appointment was a trully coincidence.
Series of random coincidences
Mr. Berry said the timing was a coincidence and that his decision was unrelated to Mr. Roman's departure.
„it's no coincidence that ..., by coincidence = przez zbieg okoliczności
It was rather a coincidence that she appeared at that exact moment.
Both at Harvard – that's a coincidence.
Is it a pure coincidence that the wife of the man who designed the competition won first prize?
An example of a coincidence is when you unexpectedly run into your friend in the mall.
'I'm going to Appleby tomorrow.' 'What a coincidence! I'm going up there too.'
Is it mere coincidence that "banality", when anagrammed, reads "Ban Italy"?