Definition: The term offline refers to being disconnected to the Internet. Many people use the term "offline" to refer to do something outside of the Internet as well, for example, a conversation started on Twitter could be continued at a local coffee shop, aka, "offline".
Alternate Spellings: off-line
Examples:
A group of people discuss their latest fantasy sports picks on a popular message board. When the conversation gets heated over a local sports coach's choice of players, they decide to take the conversation "offline" in order to clear the boards for a more relevant topic of conversation.

