Breadcrumb Home > Dictionary > Index H Cite hoodlum: Meaning and Definition of Find definitions for: hood•lum Pronunciation: (hd'lum, hood'-), [key] ? n. a thug or gangster. a young street ruffian, esp. one belonging to a gang. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. See also: hoodlum (Thesaurus) hoodie hoodman-blind TrendingHere are the facts and trivia that people are buzzing about. February 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress The Women's March on Versailles Keeping Your Brain Active in a COVID-19 World The Manchu Related Content Daily Word Quiz: oleaginous Analogy of the Day: Today?s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language