/ Thesaurus / R Synonyms of rising slope Find synonyms for: Noun1. upgrade, rise, rising slope, gradeusage: the property possessed by a slope or surface that risesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language