Pronunciation: (pri-vent'),[key] —v.t. 1. to keep from occurring; avert; hinder: He intervened to prevent bloodshed. 2. to hinder or stop from doing something: There is nothing to prevent us from going. 3. Archaic.to act ahead of; forestall.
4. Archaic.to precede.
5. Archaic.to anticipate.
—v.i. to interpose a hindrance: He will come if nothing prevents.