/ Thesaurus / S Synonyms of space bar Find synonyms for: Noun1. space bar, keyusage: the bar-shaped typewriter key that introduces spaces when usedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language