sign off - definition and synonyms

phrasal verb [intransitive]
present tense
I/you/we/theysign off
he/she/itsigns off
present participlesigning off
past tensesigned off
past participlesigned off
  1. to end a broadcast on television or radio

    They always signed off with ‘It’s goodnight from me’ – ‘And it’s goodnight from him’.

    1. a.
      to end a letter

      She signed off , ‘Yours sincerely, Clare Smith’.

    2. b.
      to end a conversation by radio or computer
       Synonyms and related words
    3. c.
      business to officially approve of something or to officially agree that something has been completed in a satisfactory way by signing your name
      sign something off:

      You don’t do any overtime until someone has signed it off.

      sign off something:

      The auditors signed off the accounts.

    4. d.
      British to give someone a medical certificate saying that they are too ill to work
      sign someone off:

      The doctor has signed her off for another month.

See also main entry: sign