Définitions
1.VerbTo make straight."Straighten out your necktie and comb your hair."
2.VerbTo correct or rectify."I hope they can straighten out the problem with my bill soon."
3.VerbTo eliminate confusion from or concerning."As soon as I straighten out which of the twins is which, I'll start calling them by their names."
4.VerbTo correct; to stop doing something wrong."It is not enough to stand aside and hope problems straighten out on their own."
5.VerbTo tidy, neaten, or organize.
6.VerbTo be made a made man in a Mafia organization.
7.VerbTo (supposedly) make (a gay person) heterosexual.