Definition of upheaval
1 : the action or an instance of upheaving especially of part of the earth's crust
2 : extreme agitation or disorder : radical change; also : an instance of this
Examples of upheaval in a Sentence
The civil rights movement marked a period of social upheaval in the U.S.
the emotional upheaval of divorce
a period of cultural and social upheavals
The island was created by an upheaval of the ocean floor.
The lake was formed by geologic upheaval.
First Known Use of upheaval
UPHEAVAL Defined for English Language Learners
Definition of upheaval for English Language Learners
: a major change or period of change that causes a lot of conflict, confusion, anger, etc.
: an occurrence in which a part of the Earth's surface moves up forcefully
UPHEAVAL Defined for Kids
Definition of upheaval for Students
: a period of great change or violent disorder
Seen and Heard
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