noun
coincidence
koh-IHN-sih-duhns
noun
1
A remarkable occurrence of two or more events happening at the same time by chance, without any real connection.
"It was quite a coincidence running into you here."
"What are the odds — what a coincidence that we booked the same flight!"
How to Use Coincidence
Learner’s notesIn plain EnglishAn unplanned event that happens to line up with another, making it feel meaningful even though it's just chance.
Common mistake
A coincidence is not necessarily suspicious — it just means two things happened together by chance, without a causal link.
Common pairings
quite a coincidence
by coincidence
sheer coincidence
Word Forms
coincidences plural
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It was quite a _____ running into you here.
Etymology
From French coïncidence, built from coincide + -ence.