/ Thesaurus / I Synonyms of iron grey Find synonyms for: Noun1. iron-grey, iron-gray, gray, grayness, grey, greynessusage: the color of freshly broken cast ironAdjective1. iron-grey, iron-gray, achromatic (vs. chromatic), neutralusage: of the grey color of ironWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language