Propel vs. Impel

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Difference Between Propel and Impel
Propelverb
(transitive) To provide an impetus for motion or physical action, to cause to move in a certain direction; to drive forward.
Impelverb
(transitive) To urge a person; to press on; to incite to action or motion via intrinsic motivation (contrast with propel, to compel or drive extrinsically).
Propelverb
(transitive) To provide an impetus for non-physical change, to make to arrive to a certain situation or result.
Impelverb
(transitive) To drive forward; to propel an object.
Propelverb
cause to move forward with force;
Steam propels this shipImpelverb
urge or force (a person) to an action; constrain or motivate
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Propelverb
give an incentive for action;
This moved me to sacrifice my careerImpelverb
cause to move forward with force;
Steam propels this ship