Added 9 October 2026
impulse
/ˈɪmpʌls/ noun
In Latin: impulsus Wiktionary
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about impulse at Wordnik → Where our words come from →
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An instinctive motive.
profound religious impulses
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A sudden desire.
he bought it on an impulse
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The electrical discharge that travels along a nerve fiber.
they demonstrated the transmission of impulses from the cortex to the hypothalamus
Origin
Borrowed from Middle French impulser, from Latin impulsus.
From Wiktionary, via Kaikki.org (CC BY-SA)