(soccer) The official who keeps things at the dugout in order, and displays substitutions and the amount of injury time

(biblical, religion) A slaughtered animal offered and burnt on an altar, as an atonement for sin. / (by extension) Any sacrifice to a deity or deities, or to the deceased in such a way.

A jailer.

Of a system, currently not connected (generally electrically) to a larger network. For example, a power plant which is not connected to the grid, or a computer which is not connected to the Internet or to any other communications service.

While offline; with an offline system. / (business slang) Outside the current meeting, in a more private setting. / From ("off") the Internet

(computing, transitive) To take (a system, etc.) offline; to demote from an active or online state.

A method of offset printing that uses photomechanical plates

The highest-ranking corporate officer handling the legal affairs of a corporation, or agency.

Without planning or thinking ahead. / Careless; without sufficient thought or consideration. / Curt, abrupt, unfriendly.

Right away, immediately, without thinking about it. / In an offhand (adjective) manner.