Synonym: co-occurrence, concurrence, conjunction, happenstance. Similar words: coincide, incident, evidence, residence, confidence, accident, accidental, by accident. Meaning: [kəʊ'ɪnsɪdəns] 
n. 1. an event that might have been arranged although it was really accidental 2. the quality of occupying the same position or area in space 3. the temporal property of two things happening at the same time.
n. 1. an event that might have been arranged although it was really accidental 2. the quality of occupying the same position or area in space 3. the temporal property of two things happening at the same time. 
Random good picture Not show
1. Mr. Berry said the timing was a coincidence and that his decision was unrelated to Mr. Roman's departure.
2. There is no such thing as a coincidence in this world, there is only the inevitable.
3. By coincidence, John and I both ended up at Yale.
4. By a strange coincidence we happened to be travelling on the same train.
5. It was pure coincidence that they were both in Paris on the same day.
6. Meeting you here in Rome is a remarkable coincidence.
7. This could be a coincidence[sentencedict.com], but I think not.
8. By coincidence, we both went to the same school.
9. It may just have been a coincidence.
10. It was a spooky coincidence.
11. It was pure coincidence/chance that we met.
12. That was a really creepy coincidence.
13. Is there any coincidence between the two opinions?
14. It was sheer coincidence that we met.
15. By a happy coincidence, we arrived at exactly the same time.
16. What a coincidence! I wasn't expecting to see you here.
17. By a fortunate coincidence, a passer-by heard her cries for help.
18. What a creepy coincidence.
19. Is it just a coincidence that the wife of the man who ran the competition won first prize?
20. What a coincidence that I was in Paris at the same time as you!
21. It can't be a mere coincidence that they left at the same time.
22. Just by coincidence, I met my old school-mate again fifty years later.
23. It's not a coincidence that none of the directors are women .
24. By a happy coincidence , James was also in town that weekend.
25. She and I both arrived at the same time by pure coincidence.
26. You chose exactly the same wallpaper as us - what a coincidence!
27. The premises of Chabert and Sons were situated by the river and, by coincidence, not too far away from where Eric Talbot had met his death.
28. The plot of the novel relies too much on coincidence to be realistic.
29. All the signs pointed to it being more than just a coincidence.
30. I didn't set out to find you - it's sheer coincidence that I should walk along the same street.
More similar words: coincide, incident, evidence, residence, confidence, accident, accidental, by accident, occidental, presidency, credence, decadence, impudence, coin, independence, decide, decide on, pencil, pencil box, evident, tendency, resident, identity, identify, confident, identical, dissident, provident, president, diffident.