Added 9 October 2026 duster /ˈdʌstɚ/ noun Categories: NatureThingsRare Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about duster at Wordnik → Where our words come from → A windstorm that lifts up clouds of dust or sand. it was the kind of duster not experienced in years A loose coverall (coat or frock) reaching down to the ankles. A piece of cloth used for dusting. Related Words: dustclothdustraggaberdinesmockknuckledustlessdedusterdustingdust Back to today's word