General EnglishUSUKbroadcastingneutralformal
- To bring a broadcast, program, or public communication to an end; to deliver closing remarks and terminate transmission.
General EnglishUSUKinformalneutral
- To finish work for the day or to leave duty; to cease participating in an activity or communication.
General EnglishUSUKformalbusinesstechnical
- To give final approval or authorization for something (often used with the preposition 'on' as 'sign off on').