'Upheaval' definitions:

Definition of 'upheaval'

(from WordNet)
noun
A state of violent disturbance and disorder (as in politics or social conditions generally); "the industrial revolution was a period of great turbulence" [syn: turbulence, upheaval, Sturm und Drang]
noun
A violent disturbance; "the convulsions of the stock market" [syn: convulsion, turmoil, upheaval]
noun
(geology) a rise of land to a higher elevation (as in the process of mountain building) [syn: upheaval, uplift, upthrow, upthrust]
noun
Disturbance usually in protest [syn: agitation, excitement, turmoil, upheaval, hullabaloo]

Definition of 'Upheaval'

From: GCIDE
  • Upheaval \Up*heav"al\, n. The act of upheaving, or the state of being upheaved; esp., an elevation of a portion of the earth's crust. --Lubbock. [1913 Webster]

Synonyms of 'upheaval'

From: Moby Thesaurus

Words containing 'Upheaval'