off (the) air

off (the) air

No longer broadcasting live, or not during a live broadcast, 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
Farlex Dictionary of Idioms.

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
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

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
The American Heritage® Dictionary of Idioms by Christine Ammer.

ˌon/ˌoff the ˈair

(being) broadcast/not (being) broadcast on radio or television: ‘Going Live’ will go off the air for the summer, returning for a new series in the autumn.
See also: air, off, on
Farlex Partner Idioms Dictionary
See also:
  • off the air
  • on/off the air
  • during
  • during the course of
  • rough time
  • a rough time
  • tin hat
  • dead air
  • crack the code, to
  • a baby boomer