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Noun: upheaval  úp'hee-vul
  1. A state of violent disturbance and disorder (as in politics or social conditions generally)
    "the industrial revolution was a period of great upheaval";
    - turbulence, Sturm und Drang
  2. A violent disturbance
    "the upheavals of the stock market";
    - convulsion, turmoil
  3. (geology) a rise of land to a higher elevation (as in the process of mountain building)
    - uplift, upthrow, upthrust
  4. Disturbance usually in protest
    - agitation, excitement, turmoil, hullabaloo [informal], hullaballoo

Derived forms: upheavals

Type of: ascension, ascent, carry-on [Brit, informal], commotion, disorder, disruption, disturbance, flutter, hoo-ha [informal], hoo-hah [informal], hurly burly, kerfuffle [Brit, informal], rise, rising, song and dance [Brit, informal], to-do [informal]

Encyclopedia: Upheaval