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by coincidence

Unintentionally happening at the same time or in the same way as something else. By coincidence, my sister and I bought our mom the same sweater for her birthday. I didn't just come to the same place as you by coincidence—your assistant told me where I could find you.
See also: coincidence

by coincidence

by an accidental and strange similarity; by an unplanned pairing of events or occurrences. We just happened to be in the same place at the same time by coincidence. By coincidence, the circus was in town when I was there. I'm glad because I love circuses.
See also: coincidence

by coincidence

Through an accidental simultaneous occurrence, as in By coincidence both researchers discovered the same solution. [Mid-1600s] Also see by chance.
See also: coincidence

the long arm of coincidence

the far-reaching power of coincidence.
See also: arm, coincidence, long, of
References in classic literature ?
There you are, and yet you talk of coincidence and Fate.
To Uriel watching the progress of planetary history from the sun, the one result would be just as much of a coincidence as the other.
And yet it may have been pure coincidence; my better judgment tells me that it is coincidence that in Caspak the term for speechless man is Alus, and in the outer world of our own day it is Alalus.
Don't you think," she said, "that the shock of this coincidence, as you call it, has been quite sufficient, without having you come here to remind me of it?
Ridiculous, doubtless, but a coincidence," Major Thomson replied, turning over the next page of his book.
It was an odd coincidence, to say the least of it, that the march of events should be unexpectedly taking Agnes to Venice, after those words had been spoken
Then the Material Interest found a tongue, and by a strange coincidence it was its own tongue.
By a fortunate coincidence, Lady Janet's ball takes place in a fortnight.
That Mr Frank and Mr Nickleby should have met last night,' said Tim Linkinwater, getting slowly off his stool, and looking round the counting-house with his back planted against the desk, as was his custom when he had anything very particular to say: 'that those two young men should have met last night in that manner is, I say, a coincidence, a remarkable coincidence.
This coincidence is the more remarkable, as Coseguina had been dormant for twenty-six years; and Aconcagua most rarely shows any signs of action.
Cavendish, I much fear there is no coincidence there.
Fentolin remarked quietly, "but there is a certain amount of coincidence about your question.
He makes for the better-lighted streets, and resolves as he walks on to say nothing of this to-night, but to mention it to Jack (who alone calls him Ned), as an odd coincidence, to-morrow; of course only as a coincidence, and not as anything better worth remembering.
If I were to plead anything in mitigation of the preposterous fancy that a bad design will sometimes claim to be a good and an expressly religious design, it would be the curious coincidence that it has been brought to its climax in these pages, in the days of the public examination of late Directors of a Royal British Bank.
It can't be a coincidence," he cried, at last springing from his chair and pacing wildly up and down the room; "it is impossible that it should be a mere coincidence.