/ Thesaurus / S Synonyms of steel plant Find synonyms for: Noun1. steel mill, steelworks, steel plant, steel factory, factory, mill, manufacturing plant, manufactoryusage: a factory where steel is madeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language