Breadcrumb Home > Thesaurus > P Synonyms of prison Find synonyms for: Noun 1. prison, prison house, correctional institution usage: a correctional institution where persons are confined while on trial or for punishment 2. prison, prison house, situation, state of affairs usage: a prisonlike situation; a place of seeming confinement WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of prison (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: recidivism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language