idler pulley idler • idlers-tensioners-pulleys · · · Info · Definitions · Synonyms · Characters · · idler pulley · · Text Common · · Latin · · Scripts 12 · · Length 5 · · Syllables Definitions · · · (noun) a pulley on a shaft that presses against a guide belt to guide or tighten it. Synonyms: idle pulley, idler pulley, idle wheel. · · Noun Definition 1 Synonyms · · · idle pulley · · Synonym 1 idle wheel · · Synonym 2 Characters · · space U+0020 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C p latin small letter p U+0070 r latin small letter r U+0072 u latin small letter u U+0075 y latin small letter y U+0079