/ Thesaurus / F Synonyms of fire door Find synonyms for: Noun1. fire door, doorusage: a fire-resistant door that can be closed to stop the spread of a fireWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language