stumble across(redirected from stumble on someone or something)
stumble across someone or somethingand stumble (up)on someone or something; stumble into someone or something
to find someone or something, usually by accident. I stumbled across an interesting book yesterday when I was shopping. Guess who I stumbled into at the library yesterday? I got lucky and stumbled on the right answer.
stumble across somebody/somethingalso stumble on somebody/something
to meet someone or find something unexpectedly Lee has stumbled across a plot to sell high-tech US weapons to international terrorists. Border Patrol agents stumbled on the drugs when they were on a routine patrol.
Also, stumble on. Find by chance, discover or meet with unexpectedly. For example, When we were hiking up the mountain we stumbled across a few abandoned shepherd's huts , or At the flea market Alfred stumbled on a quite valuable old lithograph. This idiom uses stumble in the sense of "accidentally trip." [Mid-1500s]
To come upon someone or something accidentally or unexpectedly: I had given up finding my keys when I stumbled across them lying under the dresser. On my way to work this morning, I stumbled across an old friend I hadn't seen in years.