reversal

noun

1. 1

   a major change in attitude or principle or point of view

   an about-face on foreign policy

2. 2

   a change from one state to the opposite state

   there was a reversal of autonomic function

3. 3

   the act of reversing the order or place of

4. 4

   turning in the opposite direction

5. 5

   a judgment by a higher court that the judgment of a lower court was incorrect and should be set aside

6. 6

   a decision to reverse an earlier decision

7. 7

   turning in an opposite direction or position

   the reversal of the image in the lens

8. 8

   an unfortunate happening that hinders or impedes; something that is thwarting or frustrating