Breadcrumb Home > Dictionary > Index S scatterbrain: Meaning and Definition of Find definitions for: scat•ter•brain Pronunciation: (skat'ur-brān"), [key] — n. a person incapable of serious, connected thought. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: scatterbrain (Thesaurus) scatteration scatter diagram TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census 50 Spookiest Halloween Quotes Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: quincunx Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language