/ Thesaurus / H Synonyms of hair space Find synonyms for: Noun1. hair space, quad, spaceusage: (printing) the narrowest of the spaces used to separate words or lettersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: entomology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language