/ Thesaurus / S Synonyms of silver fir Find synonyms for: Noun1. silver fir, fir, fir tree, true firusage: any of various true firs having leaves white or silvery white beneathWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language