Being broadcast is a term used to describe when something is being transmitted or sent out over the airwaves. AIRING is a 6 letter word that is often used as a synonym for being broadcast. AIR is a 3 letter word that is also used to describe the transmission of something, usually through radio waves. ONTV is a 4 letter word that is used to describe when something is being broadcast on television. ONAIR is a 5 letter word that is used to describe when something is being broadcast on the radio.