reversal

Universal Words noun 1 [C,U] ~ (of sth) a change of sth so that it is the opposite of what it was: a complete / dramatic / sudden reversal of policy * the reversal of a decision / position / trend * The government suffered a total reversal of fortunes last week. 2 [C] a change from being successful to having problems or being defeated: the team's recent reversal * The company's financial problems were only a temporary reversal. 3 [C,U] an exchange of positions or functions between two or more people: It's a complete role reversal / reversal of roles (= for example when a husband cares for the house and children while the wife works).