Impulse refers to a sudden urge, inclination or desire to do something. It can be used as a noun or a verb. If you are looking for synonyms for the word impulse, here are a few alternatives that might come in handy: urge, instinct, drive, inclination, motivation, inspiration, stimulus, provocation, inclination, notion or enticement. Each of these words carries a slightly different meaning, so it's important to choose the most appropriate one for your particular situation. Whether you need to describe a hasty decision, a sudden surge of energy or an unexpected craving, these synonyms for impulse can help make your writing more varied, precise and engaging.