off air

alternative off-air

1. Not broadcasting or transmitting on radio or television.

   The transmitter is off air after a fire.

   1 more example

   Channel 9 will be off air from 11 pm until 6 am.

   Synonyms: off the air · Antonyms: on air

2. Not being, or so as not to be, broadcast or transmitted by radio or television.

   Fortunately his offensive remarks were off air.

   1 more example

   After ten years, the TV series was taken off air.

   Synonyms: dark, silent