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  1. Dictionary
    impulse
    /ˈɪmpʌls/

    noun

    More definitions, origin and scrabble points

  2. 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.

  3. 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.

  4. 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.

  5. 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.

  6. Impulse is a sudden desire to do something, a short electrical signal, or a tendency to act. Learn more about the word origin, usage, and related terms from Collins Dictionary.

  7. Impulse can mean a sudden urge, a force, a motion, or a signal. Learn the different meanings and uses of impulse in physics, physiology, electronics, and psychology with examples and synonyms.

  8. 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.