/ Thesaurus / L Synonyms of lxxx Find synonyms for: Noun1. eighty, 80, LXXX, fourscore, large integerusage: the cardinal number that is the product of ten and eightAdjective1. eighty, 80, lxxx, fourscore, cardinal (vs. ordinal)usage: being ten more than seventyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: imprudent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language