frighten - definition and synonyms

verb [transitive] 

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present tense
present participlefrightening
past tensefrightened
past participlefrightened
  1. to make someone feel afraid, especially suddenly

    Stop it! You’re frightening the children!

    1. b.
      to persuade someone to do or not do something by making them feel afraid
      frighten someone into/out of doing something:

      adverts that frighten people into buying expensive security equipment

phrasal verbs