Synonyms for jail Found 15 synonyms across 2 meanings for “jail”. a correctional institution used to detain persons who are in the lawful custody of the government (either accused persons awaiting trial or convicted persons serving a sentence) (noun) jailhousegaolclinkslammerpokypokey lock up or confine, in or as in a jail (verb) imprisonincarceratelagimmurejuggaolremand Explore Related Words Rhymes with jailSynonyms for jailhouseSynonyms for gaolSynonyms for clinkSynonyms for slammerSynonyms for poky Synonym Finder | Rhyme Finder | Poetry Editor