Also found in: Dictionary, Thesaurus, Medical, Legal, Encyclopedia.
to indicate that one is leaving a place or going out temporarily by signing a piece of paper or a list. I forgot to sign out when I left. Please sign out every time you leave.
Record the departure of a person or the removal of an object, as in He turned in his room key and signed out about an hour ago, or I asked the librarian how many books I could sign out. [c. 1930]
1. To record the departure of another or oneself by signing a register: Go to the front desk and sign out while I take the bags to the car. Don't forget to sign out your guest when you leave the club. I signed myself out as I was leaving.
2. To borrow some item and register the borrowing by signing one's name: They signed out all the canoes at the club. If you would like to examine the file more closely, you can sign it out and take it home.
3. To disconnect someone from some computer resource to which one has been connected or logged on: Remember to sign out of your account before you leave the computer. The website automatically signs you out after 15 minutes.
4. To end communication and disconnect officially. Used to notify others: The trucker radioed the dispatcher and signed out. Now that I've finished my story, I'm signing out!