There are many synonyms for the phrase "finished with." Some common phrases that convey the same meaning include "done with," "complete," "concluded," "ended," and "finalized." Other phrases that can be used to mean the same include "wrapped up," "out of," "through with," "over and done," and "closed out." Each of these phrases can be used interchangeably to convey the message that something has been completed, ended, or reached its conclusion. It is important to choose the right synonym based on the context of the sentence in order to convey the intended meaning.