[ uhp-hee-vuhl ]
/ ʌpˈhi vəl /


strong or violent change or disturbance, as in a society: the upheaval of war.
an act of upheaving, especially of a part of the earth's crust.
the state of being upheaved.
Geology. an upward warping of a part of the earth's crust, forcing certain areas into a relatively higher position than before.


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Origin of upheaval

First recorded in 1830–40; upheave + -al2

Words nearby upheaval

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for upheaval

British Dictionary definitions for upheaval

/ (ʌpˈhiːvəl) /


a strong, sudden, or violent disturbance, as in politics, social conditions, etc
geology another word for uplift (def. 7)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012