/ Thesaurus / X Synonyms of xlviii Find synonyms for: Adjective1. forty-eight, 48, xlviii, cardinal (vs. ordinal)usage: being eight more than fortyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: beseech Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language