vol·a·tile /ˈvɒlətaɪl $ ˈvɑːlətl/ ●○○ adjectiveadj 1 CHANGE/BECOME DIFFERENTa volatile situation is likely to change suddenly and without warning 易变的,动荡不定的 OPP stable an increasingly volatile political situation 日益动荡的政治局势
the highly volatile stock and bond markets 相当不稳定的股票和债券市场
2. ANGRYsomeone who is volatile can suddenly become angry or violent 易激动的;易发作的;易怒的 —volatility /ˌvɒləˈtɪləti $ ˌvɑː-/ noun [uncountableU]