/ Thesaurus / S Synonyms of sloping trough Find synonyms for: Noun1. chute, slide, slideway, sloping trough, gutter, troughusage: sloping channel through which things can descendWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: topography Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language