stumble across - definition and synonyms

phrasal verb [transitive]
present tense
I/you/we/theystumble across
he/she/itstumbles across
present participlestumbling across
past tensestumbled across
past participlestumbled across

or stumble on

or stumble upon

  1. stumble across/on/upon something to find something, or to meet someone, by accident

    We stumbled across him in the library.

See also main entry: stumble