/ Thesaurus / I Synonyms of idle wheel Find synonyms for: Noun1. idle pulley, idler pulley, idle wheel, pulley, pulley-block, pulley block, blockusage: a pulley on a shaft that presses against a guide belt to guide or tighten itWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language