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up·heav·al

upheaval

 
pronunciation:
uhp hi vl [or] uhp hi vl
part of speech: noun
definition 1: an act, instance, or condition of being raised or heaved upward.
The upheaval from the earthquake destroyed many buildings.
similar words:
buckle, earthquake, heave, lift, swell
definition 2: a sudden, violent change.
The French Revolution caused upheaval in Europe.
synonyms:
revolution
similar words:
change, chaos, disturbance, outbreak, overthrow, overturn, unrest, violence