Added 9 October 2026 mudslide /ˈmʌdˌslaɪd/ noun Categories: ActionsObscure Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about mudslide at Wordnik → Where our words come from → A geological event in which viscous mud flows down an incline. A mixed drink consisting of vodka, Kahlúa and Baileys. Related Words: landslidegroundtournamentmudmudflowsluffsludéboulementslidelandslipearthslide Back to today's word