/ Thesaurus / S Synonyms of seventies Find synonyms for: Noun1. seventies, 1970s, decade, decennary, decenniumusage: the decade from 1970 to 19792. seventies, mid-seventies, time of lifeusage: the time of life between 70 and 80Noun1. seventies, 1970s, decade, decennary, decenniumusage: the cardinal number that is the product of ten and sevenWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language