Adjective

(en adjective)

Violently disturbed or agitated; tempestuous, tumultuous.

Being in, or causing, disturbance or unrest.

* {{quote-magazine, date=2013-08-10, volume=408, issue=8848, magazine=(The Economist), author=Lexington

, title= Keeping the mighty honest , passage=The [Washington] Post's proprietor through those turbulent [Watergate] days, Katharine Graham, held a double place in Washington’s hierarchy: at once regal Georgetown hostess and scrappy newshound, ready to hold the establishment to account. That is a very American position.}}

Adjective

(en adjective)

Making arbitrary decisions, especially in an impulsive and forceful manner.

* 1880 , John Weeks Moore, Complete Encyclopaedia of Music , "":

But it was natural, that the impetuous , restless young artist should incline more to excess of strength than of delicacy in his playing.

Characterized by sudden and violent force.

* 1794 , :

He stands, and views in the faint rays
Far, far below, the torrent's rising surge,
And listens to the wild impetuous roar