Pent-up

Pent-up
Syn: bridled, repressed
1. not released; repressed pent-up emotions; pent up excitement/frustration/fear
2. kept unwillingly 

• Pent-up emotions can be harmful to mental health.- refoulé
• pent up emotions are strong feelings, for example anger, that you do not express so that they gradually become more difficult to control
• I've been pent up in this office for over a year- confiné