1 general:: Phrase(s): start someone over to cause someone to begin again; to lead someone to begin again. • The orchestra messed up the first few bars, so the conductor started them over again. • I hope the conductor doesn’t start us over again. This is getting boring to play., Phrase(s): start over to begin again. • I have messed this up so much that there is nothing to do now but start over. • When you start over, try to do it right this time.
McGrawhill's American Idioms And Phrasal Verbs
2 general:: Begin again, as in This article is no good; I'll have to start over. [Early 1900s]
American Heritage Idioms