The phrase "going on the airwaves" typically refers to the act of broadcasting a message, whether through radio, television, or another medium. Some antonyms for this phrase might include "staying silent," "remaining off the airwaves," or "avoiding public communication." These antonyms reflect a decision not to share information or communicate with others, whether due to a desire for privacy, a lack of interest in broadcasting a message, or simply a need to focus on other tasks or responsibilities. Other antonyms might include "listening," "observing," or "absorbing," indicating a willingness to receive input and feedback from others without necessarily engaging in active communication or broadcasting oneself.