Breadcrumb Home > Thesaurus > S Synonyms of scatterbrain Find synonyms for: Noun 1. scatterbrain, forgetful person, simpleton, simple usage: a flighty and disorganized person WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of scatterbrain (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: genome Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language