[{"Bold_text": "noun", "List Items": ["strong or violent change or disturbance, as in a society:the upheaval of war.Synonyms: turmoil , disorder , disruption", "an act of upheaving ,especially of a part of the earth's crust.", "the state of being upheaved .", "Geology.an upward warping of a part of the earth's crust, forcing certain areas into a relatively higher position than before."]}]