/ Thesaurus / A Synonyms of altitudinous Find synonyms for: Adjective1. altitudinous, high (vs. low)usage: indefinitely high; loftyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: knead Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language