Overview of verb pen-up

The verb pen up has 1 sense

• pen up, fold -- (confine in a fold, like sheep)

Overview of adj pent-up

The adj pent-up has 1 sense

• pent-up, repressed -- (characterized by or showing the suppression of impulses or emotions; "her severe upbringing had left her inhibited"; "a very inhibited young man, anxious and ill at ease"; "their reactions were partly the product of pent-up emotions"; "repressed rage turned his face scarlet")