- The definition of pent-up is something that builds up and isn't expressed or released.
An example of pent-up is when you don't cry when you are sad.
held in check; curbed; confined: pent-up emotion
Not given expression; repressed: pent-up emotions.
(comparative more pent-up, superlative most pent-up)
(comparative more pent up, superlative most pent up)
- Alternative spelling of pent-up.