upheaval
uhp hee vuhl
- n a state of violent disturbance and disorder (as in politics or social conditions generally)
- n a violent disturbance
- n (geology) a rise of land to a higher elevation (as in the process of mountain building)
- n disturbance usually in protest
- The upheaval in the south was the latest sign of unrest among the Soviet Union's more than 100 national ethnic groups.
- Vietnam is the latest country to report an alarming skew towards boy babies, one that may lead to vast societal upheaval.
- Not since the days of Napoleon had the schools of France been threatened with such an upheaval.