/ Thesaurus / L Synonyms of llullaillaco Find synonyms for: Noun1. Llullaillacousage: a mountain in the Andes on the border between Argentina and Chile (22,057 feet high)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language