overturn
o-ver-turn
verb
To cause something to fall over or turn upside down, often accidentally.
"The strong wind threatened to overturn the small boat."
verb
To officially reverse a legal decision, verdict, or a political system.
"The court decided to overturn the previous ruling."
Thesaurus
Synonyms: overthrow, reverse, overrule, override, subvert, bring down, upset, turnover, lift, vacate, repeal, countermand