to drive or urge forward; press on; incite or constrain to action.
2.
to drive or cause to move onward; propel; impart motion to.
Origin: 1375–1425; late Middle English impellen < Latin impellere to strike against, set in motion (transitive), equivalent to im-im-1 + pellere to strike, move (something); akin to pulse1
Related forms
un·im·pelled, adjective
Can be confused:1. compel, impel (see synonym note at compel); 2. compelled, impelled.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a fool or simpleton; ninny.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.