/ Thesaurus / M Synonyms of mineshaft Find synonyms for: Noun1. mineshaft, excavationusage: excavation consisting of a vertical or sloping passageway for finding or mining ore or for ventilating a mineWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pallid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language