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IMPULSE

Pronunciation (US): 

 Dictionary entry overview: What does impulse mean? 

IMPULSE (noun)
  The noun IMPULSE has 6 senses:

1. an instinctive motive
2. a sudden desire
3. the electrical discharge that travels along a nerve fiber
4. (electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
5. the act of applying force suddenly
6. an impelling force or strength

  Familiarity information: IMPULSE used as a noun is common.


 Dictionary entry details 


IMPULSE (noun)


Sense 1impulse [BACK TO TOP]

Meaning:

An instinctive motive

Classified under:

Nouns denoting goals

Synonyms:

impulse; urge

Context example:

profound religious impulses

Hypernyms ("impulse" is a kind of...):

motivation; motive; need (the psychological feature that arouses an organism to action toward a desired goal; the reason for the action; that which gives purpose and direction to behavior)

Hyponyms (each of the following is a kind of "impulse"):

abience ((psychology) an urge to withdraw or avoid a situation or an object)

adience ((psychology) an urge to accept or approach a situation or an object)

death instinct; death wish; Thanatos ((psychoanalysis) an unconscious urge to die)

itchy feet; wanderlust (very strong or irresistible impulse to travel)


Sense 2impulse [BACK TO TOP]

Meaning:

A sudden desire

Classified under:

Nouns denoting feelings and emotions

Synonyms:

caprice; whim; impulse

Context example:

he bought it on an impulse

Hypernyms ("impulse" is a kind of...):

desire (the feeling that accompanies an unsatisfied state)


Sense 3impulse [BACK TO TOP]

Meaning:

The electrical discharge that travels along a nerve fiber

Classified under:

Nouns denoting natural events

Synonyms:

nerve impulse; impulse

Context example:

they demonstrated the transmission of impulses from the cortex to the hypothalamus

Hypernyms ("impulse" is a kind of...):

electrical discharge (a discharge of electricity)

Hyponyms (each of the following is a kind of "impulse"):

action potential (the local voltage change across the cell wall as a nerve impulse is transmitted)


Sense 4impulse [BACK TO TOP]

Meaning:

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

Classified under:

Nouns denoting natural events

Synonyms:

pulsing; pulse; pulsation; impulse

Context example:

the pulsations seemed to be coming from a star

Hypernyms ("impulse" is a kind of...):

undulation; wave ((physics) a movement up and down or back and forth)

Domain category:

electronics (the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices)


Sense 5impulse [BACK TO TOP]

Meaning:

The act of applying force suddenly

Classified under:

Nouns denoting acts or actions

Synonyms:

impetus; impulsion; impulse

Context example:

the impulse knocked him over

Hypernyms ("impulse" is a kind of...):

drive; driving force; thrust (the act of applying force to propel something)


Sense 6impulse [BACK TO TOP]

Meaning:

An impelling force or strength

Classified under:

Nouns denoting attributes of people and objects

Synonyms:

momentum; impulse

Context example:

the car's momentum carried it off the road

Hypernyms ("impulse" is a kind of...):

force; forcefulness; strength (physical energy or intensity)


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