- To overturn is to flip something over, to conquer or to reverse.
- An example of overturn is to turn a canoe upside down.
- An example of overturn is to take over a king’s rule.
- An example of overturn is for a judge to change the ruling of a previous court.
- to turn or throw over; upset
- to conquer; defeat; ruin
verbo·ver·turned, o·ver·turn·ing, o·ver·turns
- a. To cause to turn over; upset or flip over: Large waves overturned the raft.b. To cause to fall over; knock or topple over: bumped the vase and overturned it.c. To ransack: found that the room had been overturned during the night.
- a. To cause the downfall, destruction, or ending of; overthrow or abolish. See Synonyms at overthrow.b. Law To invalidate or reverse (a decision) by legal means: “his continuing legal battles to overturn a draft-evasion conviction” (Robert Lipsyte).
- The act or process of overturning: the court's overturn of a ruling.
- The state of having been overturned.
- The periodic mixing or circulation of water in a lake or sea as a result of changing temperature of its layers.
(third-person singular simple present overturns, present participle overturning, simple past and past participle overturned)