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   impulse

   /ˈɪmpʌls/

   noun

   • 1. a sudden strong and unreflective urge or desire to act: "I had an almost irresistible impulse to giggle" Similar urgeinstinctdrivecompulsionneeditchwhimcapricedesirefancynotion
   • ▪ the tendency to act impulsively: "he was a man of impulse, not premeditation" Similar spontaneityimpetuositywildnessrecklessnessirresponsibilityrashnessOpposite premeditationcarefulness
   • 2. something that causes something to happen or happen more quickly; an impetus: "an added impulse to this process of renewal" Similar inspirationstimulationstimulusincitementmotivationencouragementfillipspurprodcatalyst
   • 3. a pulse of electrical energy; a brief current: "nerve impulses" Similar pulsecurrentwavesignalmessagebrainwavecommunication
   • 4. a force acting briefly on a body and producing a finite change of momentum: "ability to communicate motion by impulse"
   • ▪ a change of momentum produced by an impulse, equivalent to the average value of the force multiplied by the time during which it acts.

   Word Origin early 17th century (as a verb in the sense ‘give an impulse to’): the verb from Latin impuls- ‘driven on’, the noun from impulsus ‘impulsion’, both from the verb impellere (see impel).

   Scrabble Points: 11

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2. dictionary.cambridge.org › dictionary › englishIMPULSE | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   IMPULSE definition: 1. a sudden strong wish to do something: 2. because you suddenly want to, although you haven't…. Learn more.

3. dictionary.cambridge.org › us › dictionaryIMPULSE | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

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   IMPULSE meaning: 1. a sudden strong wish to do something: 2. because you suddenly want to, although you haven't…. Learn more.

4. www.collinsdictionary.com › dictionary › englishIMPULSE definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

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   Jun 15, 2024 · An impulse is a sudden desire to do something. Unable to resist the impulse, he glanced at the sea again. He still couldn't understand the impulse that had made him confide in Cassandra. Wade resisted an impulse to smile. Synonyms: urge, longing, desire, drive More Synonyms of impulse. 2. countable noun.

5. www.dictionary.com › browse › impulseIMPULSE Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › impulse

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   an impelling action or force, driving onward or inducing motion. the effect of an impelling force; motion induced; impetus given. Physiology. a progressive wave of excitation over a nerve or muscle fiber, having either a stimulating or inhibitory effect.

6. www.merriam-webster.com › dictionary › impulseImpulse Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › impulse

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   The meaning of IMPULSE is a sudden spontaneous inclination or incitement to some usually unpremeditated action. How to use impulse in a sentence. Synonym Discussion of Impulse.

7. www.vocabulary.com › dictionary › impulseImpulse - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › impulse

   An impulse is a sudden force or desire — this could be an electrical impulse, or an impulse to get some pizza. If you act on a sudden feeling or thought, you’re following an impulse. That's like a whim: an impulse isn't something you've given a lot of thought.

8. dictionary.cambridge.org › dictionary › learner-englishIMPULSE | meaning - Cambridge Learner's Dictionary

   dictionary.cambridge.org › dictionary › learner-english

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   IMPULSE definition: 1. a sudden feeling that you must do something, without thinking about the results: 2. suddenly…. Learn more.

9. www.oxfordlearnersdictionaries.com › definition › american_englishimpulse noun - Definition, pictures, pronunciation and usage...

   www.oxfordlearnersdictionaries.com › definition › american_english

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   impulse. noun. /ˈɪmpʌls/ [countable, usually singular, uncountable] impulse (to do something) a sudden strong wish or need to do something, without stopping to think about the results He had a sudden impulse to stand up and sing. I resisted the impulse to laugh. Her first impulse was to run away.

10. www.yourdictionary.com › impulseImpulse Definition & Meaning | YourDictionary

    www.yourdictionary.com › impulse

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    Impulse definition: A sudden wish or urge that prompts an unpremeditated act or feeling; an abrupt inclination.

11. www.thefreedictionary.com › impulseImpulse - definition of impulse by The Free Dictionary

    www.thefreedictionary.com › impulse

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    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.