[{"Bold_text": "verb (used with object)", "List Items": ["to keep from occurring; avert; hinder:He intervened to prevent bloodshed.Synonyms: thwart , obviate , preclude , forestall , obstruct Antonyms: assist , help", "to hinder or stop from doing something:There is nothing to prevent us from going.", "Archaic.to act ahead of; forestall.", "Archaic.to precede.", "Archaic.to anticipate."]}, {"Bold_text": "verb (used without object)", "List Items": ["to interpose a hindrance:He will come if nothing prevents."]}]