noun🔗ShareChange, from one state to another"The sudden closure of the factory caused an upheaval in the small town, as many people lost their jobs. "politicssocietydisasterhistoryeventsituationChat with AIVocabulary GamePractice Reading
noun🔗ShareThe process of being heaved upward, especially the raising of part of the earth's crust."The sudden upheaval of land exposed ancient fossils along the newly formed cliff. "geologydisasterenvironmentChat with AIVocabulary GamePractice Reading
noun🔗ShareA sudden violent upset, disruption or convulsion."The sudden company merger caused a major upheaval in the office, with many employees worried about losing their jobs. "disasterpoliticssocietyeventactionChat with AIVocabulary GamePractice Reading
