/ Thesaurus / F Synonyms of fertile crescent Find synonyms for: Noun1. Fertile Crescentusage: a geographical area of fertile land in the Middle East stretching in a broad semicircle from the Nile to the Tigris and EuphratesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language