Adjective

(en adjective)

Having or displaying no guile, cunning, or deceit.

{{quote-Fanny Hill, part=5 , And why should I here suppress the delight I received from this amiable creature, in remarking each artless look, each motion of pure undissembled nature, betrayed by his wanton eyes}}

Free of artificiality; natural.

This pendant has artless charm.

Lacking art, knowledge, or skill; uncultured and ignorant.

Poorly made or done; crude.

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