impulse

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impulse /ˈɪmˌpʌls/ noun
plural impulses
impulse
/ˈɪmˌpʌls/
noun
plural impulses
Learner's definition of IMPULSE
[count]
: a sudden strong desire to do something
often followed by to + verb
◊ To do something on (an) impulse or on a sudden impulse is to do it suddenly and without thinking about it first.
◊ An impulse buy/purchase is something that is bought on impulse and that usually is not really needed.
Impulse buying is the act or practice of buying things on impulse.
technical : a small amount of energy that moves from one area to another
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