Breadcrumb Home > Thesaurus > F Synonyms of fallout Find synonyms for: Noun 1. fallout, radioactive dust, dust usage: the radioactive particles that settle to the ground after a nuclear explosion 2. side effect, fallout, consequence, effect, outcome, result, event, issue, upshot usage: any adverse and unwanted secondary effect; "a strategy to contain the fallout from the accounting scandal" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of fallout (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: procellous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language