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

The couple met by chance in September 2014 after independently booking a cycling holiday in Thailand, Cambodia and Vietnam.

From BBC

That was until one day in August last year, when she discovered her pattern "by chance" for sale on the Verhees website.

From BBC

According to a study published on November 26 in Nature Communications, the first 100 base pairs after this starting point experience mutations at a rate 35% higher than expected by chance.

From Science Daily

The collaboration began by chance when Howson and Muir met while walking their dogs in a park in Glasgow's west end.

From BBC

“What a fine day for a group of strangers with no prior knowledge of each other to meet by chance on the garden path, as it were.”

From Literature