Sign-off Definition

signoff
noun

(broadcasting) Term used to describe the closing of a radio or television station's studios and cessation of a broadcasting signal, usually during the overnight hours.

Sign off for the small-town radio station was at midnight.
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verb

(idiomatic) To log off; to stop using a computer, radio, etc., especially to stop talking.

He finished the conversation and signed off.
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(broadcasting) To cease broadcasting a radio or television signal, usually at the end of a broadcasting day.
Before he signed off the radio station for the night, the disc jockey played the National Anthem.
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(followed by “on") To give one's official approval to something for which it is needed.

Once the vice-president signs off on the project, we can start construction.
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Synonyms:
  • go off the air
  • become silent
  • cease

Other Word Forms of Sign-off

Noun

Singular:
sign-off
Plural:
sign-offs

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