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Adjective: tempestuous  tem'pes-choo-us
  1. Characterized by violent emotions or behaviour
    "a tempestuous argument";
    - stormy
  2. (of the elements) as if showing violent anger
    "tempestuous clouds on the horizon";
    - angry, furious, raging, wild

See also: procellous [archaic], stormy, unpeaceful

Encyclopedia: Tempestuous