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stumble across (someone)
To meet or encounter someone by chance. I stumbled across Jack and Janet at the mall yesterday. They said to say hello! If those park rangers hadn't stumbled across us in time, we would have been eaten by that bear!
stumble across (something)
To find, discover, or encounter something casually or by chance. I stumbled across this fantastic little café the other day. Let me know if you stumble across my keys. I haven't been able to find them.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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]
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.