#1
upheaval n. [
turbulence, Sturm und Drang] a state of violent disturbance and disorder (as in politics or social conditions generally); "the industrial revolution was a period of great turbulence"
. wn #2
upheaval n. [
convulsion, turmoil] a violent disturbance; "the convulsions of the stock market"
. wn #3
upheaval n. [
uplift, upthrow, upthrust] (geology) a rise of land to a higher elevation (as in the process of mountain building)
. wn #4
upheaval n. [
agitation, excitement, turmoil, hullabaloo] disturbance usually in protest
. wn