impulse

noun1 of 2

a sudden desire to do something that is not planned

• “On a sudden impulse, I returned to my home town.”Tatoeba
• “Sometimes it's hard to resist the impulse to burst out laughing.”Tatoeba

Sentences from Tatoeba show real usage. A word can have several meanings, so a sentence may use another one.

verb2 of 2

To impel; to incite.