/ Thesaurus / J Synonyms of james watt Find synonyms for: Noun1. Watt, James Wattusage: Scottish engineer and inventor whose improvements in the steam engine led to its wide use in industry (1736-1819)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language