American English

Definition of tight-lipped adjective from the Oxford Advanced American Dictionary

     

    tight-lipped

     adjective
    adjective
    NAmE//ˌtaɪt ˈlɪpt//
     
     
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  1. 1not willing to talk about something Despite the rumors, government officials remained tight-lipped today.
  2. 2keeping your lips pressed firmly together, especially because you are angry about something He marched out of the room tight-lipped and white-faced. a tight-lipped reply
See the Oxford Advanced Learner's Dictionary entry: tight-lipped