[{"Bold_text": "adjective", "List Items": ["evaporating rapidly; passing off readily in the form of vapor:Acetone is a volatile solvent.", "tending or threatening to break out into open violence; explosive:a volatile political situation.Synonyms: unsettled , unstable , eruptive", "changeable; mercurial; flighty:a volatile disposition.", "(of prices, values, etc.) tending to fluctuate sharply and regularly:volatile market conditions.", "fleeting; transient:volatile beauty.", "Computers.of or relating to storage that does not retain data when electrical power is turned off or fails.", "able to fly or flying."]}, {"Bold_text": "noun", "List Items": ["a volatile substance, as a gas or solvent."]}]