/ Thesaurus / B Synonyms of blue nile Find synonyms for: Noun1. Blue Nileusage: a headstream of the Nile; joins the White Nile at Khartoum to form the NileWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sumptuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language