Breadcrumb Home > Thesaurus > F Synonyms of fidelity Find synonyms for: Noun 1. fidelity, accuracy, truth usage: accuracy with which an electronic system reproduces the sound or image of its input signal 2. fidelity, faithfulness, quality usage: the quality of being faithful WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of fidelity (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: eponymous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language