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1. A change from one state to the opposite state
   "there was a reversal of autonomic function"
    
2. An unfortunate happening that hinders or impedes; something that is thwarting or frustrating
   - reverse, setback, blow, black eye
    
3. Turning in an opposite direction or position
   "the reversal of the image in the lens";
   - turn around
    
4. A decision to reverse an earlier decision
   - change of mind, flip-flop, turnabout [N. Amer], turnaround, U-turn [informal]
    
5. (law) a judgment by a higher court that the judgment of a lower court was incorrect and should be set aside
    
6. Turning in the opposite direction
   - reversion, reverse, turnabout [N. Amer], turnaround
    
7. The act of reversing the order or place of
   - transposition
    
8. A major change in attitude, principle or point of view
   - about-face, volte-face, policy change

Derived forms: reversals

Type of: change, change of direction, change of state, deciding, decision making, happening, judgement, judgment, judicial decision, natural event, occurrence, occurrent, reordering, reorientation, turn, turning

Antonym: affirmation

Encyclopedia: Reversal