Breadcrumb Home > Thesaurus > A Synonyms of alt Find synonyms for: Noun1. elevation, EL, altitude, ALT, angular positionusage: angular distance above the horizon (especially of a celestial object)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of alt (Dictionary) ✖ Related Content Daily Word Quiz: nabob Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language