A desire or propensity to act in a certain way, typically in order to ease tension or gain pleasure.
A psychic striving; usually refers to an instinctual urge.
An electrical charge transmitted through certain tissue that results in the stimulation or inhibition of physiological activity.
A spontaneous tendency to act upon a stimulus.
A message transmitted by a nerve.
A sudden feeling of wanting to act in a specific way.
Sudden urge to do something.
The act of driving onward with sudden force.
An unexpected, instinctive drive or movement. In the contexts of biology and medicine, “impulse” commonly refers to the electric activity that propagates along a nerve fiber and can, for instance, lead to the contraction of a muscle.
A forceful push or transmitted pressure; a sudden mental drive to take action.