/ Thesaurus / F Synonyms of first floor Find synonyms for: Noun1. ground floor, first floor, ground level, floor, level, storey, storyusage: the floor of a building that is at or nearest to the level of the ground around the buildingWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penurious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language