1. pent up - Adjective
2. pent up - Adjective Satellite
characterized by or showing the suppression of impulses or emotions
Source: WordNetpent-up
There is nothing so beautiful as the free forest. To catch a fish when you are hungry, cut the boughs of a tree, make a fire to roast it, and eat it in the open air, is the greatest of all luxuries. I would not stay a week pent up in cities, if it were not for my passion for art. Edmonia Lewis
'Course numb is an old hat, old as my oldest memories. See that one's my mother, and that one's my father, and that one in the hat, that's me. It's a skill I'd hoped to abandon, when I got out on the open road, But any more pent up emotion and I think I'm gonna explode. Ani DiFranco
When you can't do something truly useful, you tend to vent the pent up energy in something useless but available, like snappy dressing. Lois McMaster Bujold
Grief pent up will burst the heart. Italian Proverb
A cat pent up becomes a lion. Italian Proverb
Grief pent up will burst the heart. Portuguese Proverb