Breadcrumb Home > Thesaurus > T Synonyms of truehearted Find synonyms for: Adjective 1. firm, loyal, truehearted, fast(prenominal), faithful (vs. unfaithful) usage: unwavering in devotion to friend or vow or cause; "a firm ally"; "loyal supporters"; "the true-hearted soldier...of Tippecanoe"- Campaign song for William Henry Harrison; "fast friends" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of truehearted (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: demagogue Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language