[{"Bold_text": "adjective", "List Items": ["liable or subject to change or alteration.Synonyms: variable , changeable", "given to changing; constantly changing; fickle or inconstant:the mutable ways of fortune.Synonyms: unsteady , unsettled , vacillating , unstable Antonyms: stable", "Computers.(in object-oriented ) of or noting an object having properties whose values can change while the object itself maintains a unique identity."]}]