/ Thesaurus / O Synonyms of on a lower floor Find synonyms for: Adverb1. downstairs, down the stairs, on a lower floor, belowusage: on a floor below; "the tenants live downstairs"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language