overturn

1 ENTRIES FOUND:
overturn /ˌoʊvɚˈtɚn/ verb
overturns; overturned; overturning
overturn
/ˌoʊvɚˈtɚn/
verb
overturns; overturned; overturning
Britannica Dictionary definition of OVERTURN
1 
a  [+ object] : to turn (something) over
b  [no object] : to turn over
2 
[+ object] : to decide that (a ruling, decision, etc.) is wrong and change it : reverse