PENT-UP Meaning of PENT-UP in English adj.Pent-up is used with these nouns: ↑ aggression , ↑ anger , ↑ demand , ↑ emotion , ↑ energy , ↑ feeling , ↑ frustration , ↑ fury , ↑ rage Oxford Collocations English Dictionary. Оксфордский английский словарь словосочетаний . 2012