/ʌpˈhiːvl/
up·heav·al
BrE /ʌpˈhiːvl/
NAmE /ʌpˈhiːvl/
[C, U]
a big change that causes a lot of confusion, worry and problems
SYN disruption
the latest upheavals in the education system
I can’t face the upheaval of moving house again.
a period of emotional upheaval