/ Thesaurus / N Synonyms of negative feedback circuit Find synonyms for: Noun1. control circuit, negative feedback circuit, feedback circuit, feedback loopusage: a feedback circuit that subtracts from the inputWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language