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noun American English pronunciation: influence /ˈɪnfluəns/ 
Word Forms
  1. 1
    [countable/uncountable] the effect that a person or thing has on someone's decisions, opinions, or behavior or on the way something happens

    Without his famous father's influence, he would never have been given the job.

    exert/exercise/use influence:

    He couldn't hope to exert any real influence in the new department.

    influence on/over:

    Teachers have considerable influence over what is taught in the classroom.

    outside influence (=the influence of people who do not belong to your group):

    The decision-making process will be free from outside influence.

  2. 2
    [countable] a person or thing that has an effect on someone or something
    influence on:

    His years in Hollywood were artistically a very destructive influence on his films.

    be a good/bad influence (on someone/something):

    The family thought Anne was a good influence on their son.


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