See tempestuous in Webster's New World Roget's A-Z Thesaurus II
adjective
Violently disturbed or agitated, as by storms:
dirty, heavy, raging, roiled, roily, rough, rugged, stormy, tumultuous, turbulent, ugly, violent, wild. See calmMarked by unrest or disturbance:
stormy, tumultuous, turbulent. See calm
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