Synset

characterized by or showing the suppression of impulses or emotions
<adj.all>   freq. cnt.: 1 freq. cnt.: 1

pent-up

repressed

sample sentences

"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"