Compulsive (adjective)
Uncontrolled or reactive and irresistible.
Compulsive (adjective)
Having power to compel; exercising or applying compulsion.
Compulsive (noun)
One who exhibits compulsive behaviours.
Impulsive (adjective)
Having the power of driving or impelling; giving an impulse; moving; impellent.
Impulsive (adjective)
Actuated by impulse or by transient feelings; inclined to make rapid decisions without due consideration.
Impulsive (adjective)
Acting momentarily, or by impulse; not continuous – said of forces.
Impulsive (noun)
That which impels or gives an impulse; an impelling agent.
Impulsive (noun)
One whose behaviour or personality is characterized by being impulsive.
Wiktionary