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English definition of “volatile”

volatile

adjective   /ˈvɒlətaɪl/ US   /ˈvɑːlətəl/
likely to change often or suddenly and unexpectedly: American technology shares remain volatile. a volatile fund/investment/market Property has always been less volatile than shares or gilts.
volatility noun [U]
(Definition of volatile adjective from the Cambridge Business English Dictionary © Cambridge University Press)
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