Meaning of “volatile” - Learner’s Dictionary

volatile

adjective uk us /ˈvɒlətaɪl/ US  /ˈvɑːlətəl/
PERSON

A volatile person can suddenly become angry or violent.

SITUATION

A volatile situation might suddenly change:

a volatile political situation
volatility uk us /ˌvɒləˈtɪləti/ noun [ U ]

(Definition of “volatile” from the Cambridge Learner’s Dictionary © Cambridge University Press)