/ Thesaurus Find synonyms for: Adjective1. sudden (vs. gradual), abrupt, choppy, jerky, emergent, explosive, fulminant, sharp, fastusage: happening without warning or in a short space of time; "a sudden storm"; "a sudden decision"; "a sudden cure"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.See also: sudden (Dictionary) Related Content Daily Word Quiz: braggart Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language Synonyms Index