Phrasal Verb: Sign off

Meaning: End a message

Example: I'll SIGN OFF now, but will write again next week.

Meaning: Close a claim for unemployment benefit

Example: I SIGNED OFF when I got my new job.

Meaning: Stop doing something to leave

Example: I'm SIGNING OFF now and going home- I'm shattered.

Meaning: Give someone a letter to be away from work

Example: My doctor SIGNED me OFF for a month with back problems.