Breadcrumb Home > Thesaurus > F Synonyms of falloff Find synonyms for: Noun 1. slump, slack, drop-off, falloff, falling off, deterioration, decline in quality, declension, worsening usage: a noticeable deterioration in performance or quality; "the team went into a slump"; "a gradual slack in output"; "a drop-off in attendance"; "a falloff in quality" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of falloff (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: fatuous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language