Added 10 October 2026 roux /ɹuː/ noun Categories: Food & DrinkRare Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about roux at Wordnik → Where our words come from → A mixture of fat (usually butter) and flour used to thicken sauces and stews. Origin Borrowed from French roux. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: ruddyredamberroethickenerthrasherrohroopolyrhoross Back to today's word