/ Thesaurus / T Synonyms of two year old Find synonyms for: Noun1. two-year-old horse, two year old, racehorse, race horse, bangtailusage: a racehorse that is two years oldAdjective1. two-year-old, young (vs. old), immatureusage: two years of ageWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ravenous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language