/ Thesaurus / S Synonyms of soudan Find synonyms for: Noun1. Sudan, Republic of the Sudan, Soudanusage: a republic in northeastern Africa on the Red Sea; achieved independence from Egypt and the United Kingdom in 19562. Sudan, Soudanusage: a region of northern Africa to the south of the Sahara and Libyan deserts; extends from the Atlantic to the Red SeaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language