Meaning of the word "stumble on" in English

What does "stumble on" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

stumble on

US /ˈstʌm.bəl ɑːn/
UK /ˈstʌm.bəl ɑːn/
"stumble on" picture

Phrasal Verb

1.

to discover something by chance

Example:
While cleaning the attic, she stumbled on an old photo album.
Researchers often stumble on important discoveries when they least expect it.
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