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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. People also ask

   What is an impulse a whim?

   • 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. Another meaning of impulse is an electrical charge or pulse.

   Impulse - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com/dictionary/impulse

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   What is a sudden impulse?

   • [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. on (an) impulse The door was open and on (an) impulse she went inside.

   impulse noun - Definition, pictures, pronunciation and usage notes

   www.oxfordlearnersdictionaries.com/definition/english/impulse

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   What does impulse mean?

   • 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.

   Impulse Definition & Meaning - Merriam-Webster

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   What does it mean if you are following an impulse?

   • 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. Another meaning of impulse is an electrical charge or pulse. Electrical impulses are coursing through wires all through your house every day.

   Impulse - Definition, Meaning & Synonyms | Vocabulary.com

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

   dictionary.cambridge.org › dictionary › english

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   Impulse can mean a sudden strong wish to do something, a short electrical signal, or a force behind something. Learn more about the word, its synonyms, and its usage with examples from the Cambridge Dictionary.

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

   www.merriam-webster.com › dictionary › impulse

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   Learn the various meanings and uses of the word impulse, from a sudden urge to act to a wave of excitation in nerves. See synonyms, examples, etymology, and related phrases of impulse.

5. 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.

6. Videos

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7. 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.

8. dictionary.cambridge.org › english › impulseIMPULSE | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › english › impulse

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   Impulse is a noun that can mean a sudden strong wish to do something, a short electrical signal, or a force behind something. Learn how to use impulse in different contexts with examples and collocations from the Cambridge Dictionary.

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

   www.collinsdictionary.com › dictionary › english

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   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.

10. www.oxfordlearnersdictionaries.com › definitionimpulse noun - Definition, pictures, pronunciation and usage ...

    www.oxfordlearnersdictionaries.com › definition

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    Definition of impulse noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.