/ Thesaurus / T Synonyms of top quark Find synonyms for: Noun1. top quark, truth quark, quarkusage: a hypothetical quark with a charge of +2/3 and a mass more than 100,000 times that of an electronWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language