Answer: overturning

AnswerCrossword Clue
overturningOVERTURN, to turn over
overturningTurn over and come to rest upside down, typically as the result of an accident
overturningReverse (a legal decision)
overturningAbolish, invalidate, or turn around (an established fact, system, etc.)
overturningTip (something) over so that it is on its side or upside down