broadcast vs let cat out of the bag

broadcast

adv
  • Widely in all directions; abroad. 

noun
  • A programme (bulletin, documentary, show, etc.) so transmitted. 

  • A transmission of a radio or television programme intended to be received by anyone with a receiver. 

verb
  • To transmit a message or signal through radio waves or electronic means. 

  • To transmit a message over a wide area; specifically, to send an email in a single transmission to a (typically large) number of people. 

  • To appear as a performer, presenter, or speaker in a broadcast programme. 

adj
  • Cast or scattered widely in all directions; cast abroad. 

  • Communicated, signalled, or transmitted through radio waves or electronic means. 

  • Relating to transmissions of messages or signals through radio waves or electronic means. 

let cat out of the bag

How often have the words broadcast and let cat out of the bag occurred in a corpus of books? (source: Google Ngram Viewer )