The act of impelling or driving onward, or the state of being impelled; the sudden or momentary agency of a body in motion on another body; also, the impelling force, or impulse.

plural of impulsive

plural of impulsivity

plural of impulsiveness

present participle of impulse

simple past tense and past participle of impulse

Something purchased spontaneously, without planning or thought.

To purchase without thinking or planning.

The act of making unplanned or otherwise spontaneous purchases.

(physiology) The signal transmitted along a nerve fibre, either in response to a stimulus (such as touch, pain or heat), or as an instruction (such as causing a muscle to contract).