Breadcrumb Home > Thesaurus > W Synonyms of watt Find synonyms for: Noun 1. watt, W, power unit usage: a unit of power equal to 1 joule per second; the power dissipated by a current of 1 ampere flowing across a resistance of 1 ohm 2. Watt, James Watt usage: 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.Definition and meaning of watt (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: tintinnabulation Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language