Modifies a noun

• frustration: Maybe it was the pent-up frustration for all the grief everyone had had with the hotel.

• anger: Dear women comrades, are we going to suffer for long in silence, only sometimes venting our pent-up anger against petty traders?

• rage: PRINCE'S KID, full of sweetness and pent-up rage, commands " Rain.

• aggression: The pent-up aggression of these cycles is defused by the setting in motion of the scapegoat mechanism.

• emotion: Most believe that their patients ' release of pent-up emotions in the presence of a trusted therapist is the primary cause of a cure.

• demand: The quarter point cut in interest rates in August released some pent-up demand, boosting activity levels further.