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n. An impelling force; an impetus.

n. The motion produced by such a force.

n. A sudden wish or urge that prompts an unpremeditated act or feeling; an abrupt inclination: had an impulse to run away; an impulse of regret that made me hesitate; bought a hat on impulse.

n. A motivating force or tendency: "Respect for the liberty of others is not a natural impulse in most men” ( Bertrand Russell).

n. Electronics A surge of electrical power in one direction.

n. Physics The product obtained by multiplying the average value of a force by the time during which it acts. The impulse equals the change in momentum produced by the force in this time interval.

n. Physiology The electrochemical transmission of a signal along a nerve fiber that produces an excitatory or inhibitory response at a target tissue, such as a muscle or another nerve.

adj. Characterized by impulsiveness or acting on impulse: an impulse shopper; impulse buying.

n. A thrust; a push; a sudden force that impels.

n. A wish or urge, particularly a sudden one prompting action.

n. The integral of force over time.

v. To impel; to incite.

n. The act of impelling, or driving onward with sudden force; impulsion; especially, force so communicated as to produced motion suddenly, or immediately.

n. The effect of an impelling force; motion produced by a sudden or momentary force.

n. The action of a force during a very small interval of time; the effect of such action.

n. A mental force which simply and directly urges to action; hasty inclination; sudden motive; momentary or transient influence of appetite or passion; propension; incitement

v. To impel; to incite.

n. Force communicated suddenly; the effect of an impelling force; a thrust; a push.

n. Specifically In mech.: An infinite force or action enduring for an infinitely short time, so as to produce a finite momentum.

n. The resultant of all such forces acting on a body at any instant, resolved into a couple and a force along the axis of that couple.

n. The momentum produced by a force in any time.

n. A stimulation of the mind to action; the impelling force of appetite, desire, aversion, or other emotion; especially, a sudden disposition to perform some act which is not the result of reflection; sudden determination.

n. Any communication of force; any compelling action; instigation.

n. A mental impression; an idea.

n. Shock; onset.

To give an impulse to; incite; instigate.

n. the electrical discharge that travels along a nerve fiber

n. an impelling force or strength

n. an instinctive motive

n. (electronics) a sharp transient wave in the normal electrical state (or a series of such transients)

n. the act of applying force suddenly

n. a sudden desire

"As regards studies of the abnormalities of the sexual impulse, under the name of _paradoxical sexual impulse_ cases have been published in which that impulse manifested itself at an age of life in which it is normally non-existent -- old age and childhood."

forcefulness    strength    force    wave    undulation    thrust    driving force    drive    desire   

momentum    cardiac impulse    nervous impulse    impulse of a motion    impulse-wheel   

impulsiveness    impulsively    impulsion    impulsor    impel    impulsive    pulse   

impulse buy    nerve impulse    on impulse   

feeling    motive    incentive    instigation    influence    force    incitement    impulsion    propension    impel   

Hulse    dulce    pulse    repulse   

instinct    emotion    motive    enthusiasm    sensation    energy    mood    element    manifestation    ambition