Al Capone Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. A famous American gangster during the 1920s and 1930s. Example Sentence Al Capone was a notorious gangster during the Prohibition era in the United States. Synonyms Mobster; Outlaw; Criminal Antonyms Lawman; Policeman Hear It! Say It! Write It! Al Capone Switch to cursive Start Share with your friends: