/ Thesaurus / S Synonyms of state prison Find synonyms for: Noun1. state prison, prison, prison houseusage: a prison maintained by a state of the U.S.WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language