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English definition of “upheaval”

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upheaval

noun [C or U] uk   /ʌpˈhiː.vəl/ us  
a great change, especially causing or involving much difficulty, activity, or trouble: Yesterday's coup brought further upheaval to a country already struggling with famine. It would cause a tremendous upheaval to install a different computer system.
Translations of “upheaval”
in Spanish trastorno…
in French bouleversement…
in German die Umwälzung…
in Chinese (Traditional) 激變, 動盪, 劇變…
in Russian переворот…
in Turkish anî ve büyük değişiklik, kargaşa, karışıklık…
in Chinese (Simplified) 激变, 动荡, 剧变…
in Polish niepokoje, wstrząs…
(Definition of upheaval from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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