· an instinctive motive; "profound religious impulses"

Synonym(s): urge

Hypernym(s): motivation, motive, need

· a sudden desire; "he bought it on an impulse"

Synonym(s): caprice, whim

Hypernym(s): desire

· the electrical discharge that travels along a nerve fiber; "they demonstrated the transmission of impulses from the cortex to the hypothalamus"

Synonym(s): nerve_impulse, nervous_impulse, neural_impulse

Hypernym(s): electrical_discharge

· (electronics) a sharp transient wave in the normal electrical state (or a series of such transients); "the pulsations seemed to be coming from a star"

Synonym(s): pulsation, pulsing, pulse

Hypernym(s): wave, undulation

· the act of applying force suddenly; "the impulse knocked him over"

Synonym(s): impulsion, impetus

Hypernym(s): drive, thrust, driving_force

· an impelling force or strength; "the car's momentum carried it off the road"

Synonym(s): momentum

Hypernym(s): force, forcefulness, strength