impulsion

UK: /ɪmˈpʌlʃən/ US: (im pul′shən)

WordReference Random House Unabridged Dictionary of American English © 2026

im•pul•sion  (im pul′shən), n. 

1. the act of impelling, driving onward, or pushing.
2. the resulting state or effect;
   impulse;
   impetus.
3. the inciting influence of some feeling or motive;
   mental impulse.
4. a constraining or inciting action exerted on the mind or conduct:
   divine impulsion.

• Latin impulsiōn- (stem of impulsiō) incitement. See impulse, -ion
• late Middle English 1400–50

Collins Concise English Dictionary © HarperCollins Publishers::

impulsion / ɪmˈpʌlʃən/ noun

1. the act of impelling or the state of being impelled
2. motion produced by an impulse; propulsion
3. a driving force; compulsion