Breadcrumb Home > Thesaurus > B Synonyms of blackheart Find synonyms for: Noun 1. blackheart, plant disease usage: any of various diseases in which the central tissues blacken 2. blackheart, blackheart cherry, heart cherry, oxheart, oxheart cherry usage: heart cherry with dark flesh and skin cherry WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of blackheart (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: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language