Definition of prevail verb from the Oxford Advanced American Dictionary

     

    prevail

     verb
    verb
    NAmE//prɪˈveɪl//
     
    Verb Forms present simple I / you / we / they prevail
     
    he / she / it prevails
     
    past simple prevailed
     
    -ing form prevailing
     
     
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  1. 1[intransitive] prevail (in/among something) to exist or be very common at a particular time or in a particular place We were horrified at the conditions prevailing in local prisons. Those beliefs still prevail among certain social groups.
  2. 2[intransitive] prevail (against/over something) (formal) (of ideas, opinions, etc.) to be accepted, especially after a struggle or an argument synonym triumph Justice will prevail over tyranny. Fortunately, common sense prevailed.
  3. 3[intransitive] prevail (against/over somebody) (formal) to defeat an opponent, especially after a long struggle
  4. Phrasal Verbsprevail on/upon somebody to do something
See the Oxford Advanced Learner's Dictionary entry: prevail