/ Thesaurus / 7 Synonyms of 70 Find synonyms for: Noun1. seventy, 70, LXX, large integerusage: the cardinal number that is the product of ten and sevenAdjective1. seventy, 70, lxx, cardinal (vs. ordinal)usage: being ten more than sixtyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: lyre Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language