📖 WordNook

impulse

noun
  1. the act of applying force suddenly
    “The impulse knocked them over.”
    impulsionimpetus
  2. an impelling force or strength
    momentum
  3. the electrical discharge that travels along a nerve fiber
    “they demonstrated the transmission of impulses from the cortex to the hypothalamus”
    nerve impulsenervous impulseneural impulse
  4. (electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
    pulsepulsationpulsing
  5. a sudden desire
    “They bought it on an impulse.”
    whimcaprice
  6. an instinctive motive
    “profound religious impulses”
    urge