Breadcrumb Home > Thesaurus > U Synonyms of upsurge Find synonyms for: Noun 1. rush, spate, surge, upsurge, flow, flowing usage: a sudden forceful flow 2. surge, upsurge, increase, step-up usage: a sudden or abrupt strong increase; "stimulated a surge of speculation"; "an upsurge of emotion"; "an upsurge in violent crime" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of upsurge (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: supertonic Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language