- 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.
- Geology. 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)
n.1838, in geology, from Middle English verb upheave (c.1300, cf. Old Frisian upheva, Old High German ufhevan, German aufheben), from up + heave (v.) + -al (2). Figurative sense, with reference to convulsions of society, etc., recorded from 1850.