1. a sudden, violent, or complete overthrow or reversal; upheaval or disruption
Usage: formal; often used in historical or political contexts

Examples

• The French Revolution caused a complete bouleversement of the social order.
• The company experienced a bouleversement when new leadership took over.
• The discovery of the documents led to a bouleversement of the historical narrative.
• Political bouleversement swept through the region during the election.
• The technological innovation brought about a bouleversement in the industry.