/ Thesaurus / T Synonyms of thirdly Find synonyms for: Adverb1. third, thirdlyusage: in the third place; "third we must consider unemployment"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language