Definitions of overturn:
- noun: an improbable and unexpected victory
- noun: the act of upsetting something
- verb: turn from an upright or normal position
Example: "The big vase overturned"
- verb: cause to overturn from an upright or normal position
- verb: rule against
- verb: cause the downfall of; of rulers
- verb: change radically
- verb: annul by recalling or rescinding