sign off

1. 1.

   cease broadcasting; get off the air; as of radio stations

   Broaderdiscontinue

   broadcast medium

Questions about sign off

What does sign off mean?

sign off means "cease broadcasting; get off the air; as of radio stations".

Is sign off a common word?

sign off is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.