by chance

Idioms  

1. Casually, accidentally, as in I ran into Bill purely by chance. [c. 1300] Also see by coincidence.

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Example Sentences

"Whatever we are dealing with here," he said, "it is certain that the words have not come to us by chance. They give us instructions, and a warning."

From Literature

“A coincidence,” Glory said, “is something that happens by chance.”

From Literature

But he seems to have learned of the bug by chance, when his gardener plunged a shovel through an underground wire.

From Los Angeles Times

The couple met by chance when they were on separate walks along the South West Coast Path in 2011, and ended up married three years later.

From BBC

Yet Immigration and Customs Enforcement arrested Mr. Guan in August after encountering him by chance, and he’s been in a jail in upstate New York since.

From The Wall Street Journal