/ Thesaurus / T Synonyms of tropical year Find synonyms for: Noun1. solar year, tropical year, astronomical year, equinoctial year, yearusage: the time for the earth to make one revolution around the sun, measured between two vernal equinoxesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language