/ Thesaurus / B Synonyms of book of malachi Find synonyms for: Noun1. Malachi, Malachias, Book of Malachiusage: an Old Testament book containing the prophecies of MalachiWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sumptuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language