broadcasting /ˈbɹɔdkæstɪŋ/noun 3adjective 1forms 1 noun3 •The act by which something is broadcast. •The business or profession of radio and television.Broadcasting can be a lucrative field, but very few people end up on the air. •The act of spreading seeds over a wide area.The results show less difference in drilling as against broadcasting of oats than wheat. — 1920 adjective1 •Sending in all directions. formsbroadcastings