/ Thesaurus / S Synonyms of sicilian mafia Find synonyms for: Noun1. Mafia, Maffia, Sicilian Mafia, organized crime, gangland, gangdomusage: a secret terrorist group in Sicily; originally opposed tyranny but evolved into a criminal organization in the middle of the 19th centuryWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: torrid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language