Dictionary
1overturn
verb over·turn \ˌō-vər-ˈtərn\
: to turn (something) over
: to turn over
: to decide that (a ruling, decision, etc.) is wrong and change it
Full Definition of OVERTURN
transitive verb
1
: to cause to turn over : upset <overturned the vase>
2
a : invalidate, destroy b : reverse 2a <overturn a court ruling>
intransitive verb
See overturn defined for English-language learners
See overturn defined for kids
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First Known Use of OVERTURN
13th century
Rhymes with OVERTURN
2overturn
noun over·turn \ˈō-vər-ˌtərn\
Definition of OVERTURN
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
First Known Use of OVERTURN
circa 1592
Other Ecology Terms
OVERTURN Defined for Kids
overturn
verb over·turn \ˌō-vər-ˈtərn\
over·turnedover·turn·ing
Definition of OVERTURN for Kids
1
: to turn over or upside down <Waves overturned the boat.>
2
: to reverse or cancel something previously decided or ordered <The judge overturned the lower court's ruling.>
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