overturn

/ˌō-vər-ˈtərn/

verb

  1. to cause to turn over : upset

  2. invalidate, destroy

  3. reverse

overturned the vase

noun

  1. the act of overturning : the state of being overturned

  2. the sinking of surface water and rise of bottom water in a lake or sea that results from changes in temperature that commonly occur in spring and fall

idiom

  1. to disagree with a decision made earlier by a lower court

The appeals court overturned the decision made by the trial court.