Characterized by self-restraint; reserved:
Held in check; restrained.
The definition of public is something that is related to, available to or known by people.
Find another word for pent-up. In this page you can discover 13 synonyms, antonyms, idiomatic expressions, and related words for pent-up, like: restrained, repressed, bridled, suppressed, stored, held in check, checked, inhibited, released, public and self-doubt.