Actuated by impulse or by transient feelings; inclined to make rapid decisions without due consideration.
Acting momentarily, or by impulse; not continuous – said of forces.
Having the power of driving or impelling; giving an impulse; moving; impellent.
That which impels or gives an impulse; an impelling agent.
One whose behaviour or personality is characterized by being impulsive.
Unpredictable, erratic or fickle; mercurial.
The metal mercury.
An amalgam of mercury and tin applied to the backs of mirrors, quicksilvering.
To overlay with quicksilver.
To treat with quicksilver.