sign off

To officially approve something, often by signing a document.

• The manager signed off on our plan.
• Who can sign off these expenses?
• We cannot begin until the client signs off on the design.

How to use it: sign off on something (The director must sign off on the budget.); sign something off (The engineer signed the completed work off.)

Similar words: approve, authorize

Opposites: reject

Common phrases: sign off something, sign off on something

To finish communicating or stop using a computer or radio.

• I will sign off now.
• She signed off after our online chat.
• The radio operator signed off at midnight.

Similar words: log off, disconnect

Common phrases: sign off now, sign off early

To end a letter, message, or broadcast with particular words.

• She signs off with love.
• The presenter signed off with a joke.
• How should I sign off in a formal email?

How to use it: sign off with something (She signed off with a cheerful goodbye.); sign off as someone (He signed off as Your loving son.)

Similar words: close, end

Common phrases: sign off politely, sign off with something

To stop sending radio or television programmes, usually for the night.

• The station signs off at midnight.
• Our local channel signed off after the final film.
• Does this radio station ever sign off?

Similar words: close down, stop broadcasting

Opposites: sign on

Common phrases: sign off nightly, sign off tonight