/ Thesaurus / S Synonyms of synchro Find synonyms for: Noun1. selsyn, synchro, systemusage: a system consisting of a generator and a motor so connected that the motor will assume the same relative position as the generator; the generator and the motor are synchronizedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language