- strong or violent change or disturbance, as in a society: the upheaval of war.
- an act of upheaving, especially of a part of the earth's crust.
- the state of being upheaved.
- an upward warping of a part of the earth's crust, forcing certain areas into a relatively higher position than before.
- a strong, sudden, or violent disturbance, as in politics, social conditions, etc
- geology another word for uplift (def. 7)