Definition of pent-up adjective from the Oxford Advanced Learner's Dictionary

     

    pent-up

     adjective
    adjective
    BrE BrE//ˌpent ˈʌp//
     
    ; NAmE NAmE//ˌpent ˈʌp//
     
     
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  1. 1(of feelings, energy, etc.) that cannot be expressed or released pent-up frustration/energy
  2. 2having feelings that you cannot express She was too pent-up to speak.
See the Oxford Advanced American Dictionary entry: pent-up