off (the) air

off (the) air

No longer broadcasting live, as on television or radio. We were discussing the issue off air during the break, and my guest raised some very good points. Please wait until we're off the air before you answer your phone.
See also: air, off

off the air

not broadcasting (a radio or television program). The radio audience won't hear what you say when you're off the air. When the performers were off the air, the director told them how well they had done.
See also: air, off

off the air

Not being broadcast, as in Once they knew they were off the air, the panelists burst out laughing. This idiom, along with the antonym on the air ("being broadcast"), dates from the 1920s, air being considered a medium for radio-wave transmission.
See also: air, off