one thing led to another

one thing led to another

1. From one event, a series of insignificant steps resulted in another event.
   1. (understatement) Things got out of hand.

• “one thing leads to another”, in Cambridge English Dictionary, Cambridge, Cambridgeshire: Cambridge University Press, 1999–present.
• “one thing leads to another” in Longman Dictionary of Contemporary English, Longman.
• “one thing leads to another” (US) / “one thing leads to another” (UK) in Macmillan English Dictionary.