Breadcrumb Home > Thesaurus > A Synonyms of argo Find synonyms for: Noun 1. Argo usage: formerly a large constellation in the southern hemisphere between Canis Major and the Southern Cross; now divided into Carina and Pyxis and Puppis and Vela WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of argo (Dictionary) ✖ Related Content Daily Word Quiz: derogate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language