disruptive, riotous, troubled, tumultuous, turbulent -- (characterized by unrest or disorder or insubordination; "effects of the struggle will be violent and disruptive"; "riotous times"; "these troubled areas"; "the tumultuous years of his administration"; "a turbulent and unruly childhood")
churning, roiling, roiled, roily, turbulent -- ((of a liquid) agitated vigorously; in a state of turbulence; "the river's roiling current"; "turbulent rapids")