/ Thesaurus / S Synonyms of salt mine Find synonyms for: Noun1. salt mine, mineusage: a mine where salt is dug2. treadmill, salt mine, occupation, business, job, line of work, lineusage: a job involving drudgery and confinementWordNet 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