1. 变幻莫测的;动荡的;骚乱的;混乱的
A turbulent time, place, or relationship is one in which there is a lot of change, confusion, and disorder.

2. 湍急的;狂暴的;汹涌的
Turbulent water or air contains strong currents which change direction suddenly.

1. (of a liquid) agitated vigorously
in a state of turbulence

e.g. the river's roiling current
turbulent rapids

Synonym: churningroilingroiledroily

2. characterized by unrest or disorder or insubordination

e.g. 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

Synonym: disruptiveriotoustroubledtumultuous