/ Thesaurus / M Synonyms of mid nineties Find synonyms for: Noun1. nineties, mid-nineties, time of lifeusage: the time of life between 90 and 100WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language