əˈbaʊtˌfeɪs ˈflɪpˌflɒp ˈflɪpˌflɑp ɹɪˈvɜː(ɹ)səl ɹɪˈvɜːs ɹɪˈvɝs ɹɪˈvɜːʒən ˈsɛtbæk ˈtɜː(ɹ)nəˌɹaʊnd vɒltˈfæs a major change in attitude or principle or point of view an about-face on foreign policy a change from one state to the opposite state there was a reversal of autonomic function the act of reversing the order or place of turning in the opposite direction a judgment by a higher court that the judgment of a lower court was incorrect and should be set aside a decision to reverse an earlier decision turning in an opposite direction or position the reversal of the image in the lens an unfortunate happening that hinders or impedes; something that is thwarting or frustrating