Breadcrumb Home > Thesaurus > R Synonyms of runup Find synonyms for: Noun 1. runup, run-up, increase usage: a substantial increase over a relatively short period of time; "a runup in interest rates"; "market runups are followed by corrections" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of runup (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