/ Thesaurus / E Synonyms of eighties Find synonyms for: Noun1. eighties, 1880s, decade, decennary, decenniumusage: the decade from 1880 to 18892. eighties, 1980s, decade, decennary, decenniumusage: the decade from 1980 to 19893. eighties, mid-eighties, time of lifeusage: the time of life between 80 and 90Noun1. eighties, 1880s, decade, decennary, decenniumusage: the cardinal number that is the product of ten and eightWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language