Definition of impulse :
1. A mental force which simply and directly urges to action; hasty inclination; sudden motive; momentary or transient influence of appetite or passion; propension; incitement; as, a man of good impulses; passion often gives a violent impulse to the will.
2. The act of impelling, or driving onward with sudden force; impulsion; especially, force so communicated as to produced motion suddenly, or immediately.
3. The action of a force during a very small interval of time; the effect of such action; as, the impulse of a sudden blow upon a hard elastic body.
4. The effect of an impelling force; motion produced by a sudden or momentary force.
5. To impel; to incite.
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impulse (part of speech: noun)
motivation (part of speech: noun)
- He acted on impulse, and too often had reason to be sorry for it; but he hated his sorrow too much to let it teach him wisdom for the future. - "Sylvia's Lovers -- Complete", Elizabeth Cleghorn Gaskell.
- Frank had an impulse to jump at the chance- though there was a warning coming to him from somewhere. - "The Planet Strappers", Raymond Zinke Gallun.
- The impulse to carry his mischief still further was at once acted upon, and he offered to see the doctor safely home. - "A Knight Of The Nineteenth Century", E. P. Roe.