Added 10 October 2026 mummy-brown adjective Categories: Describing Words adjective ! Definition from WordNet 3.1, Princeton University. More about mummy-brown at Wordnik → Where our words come from → Snuff colored; of a greyish to yellowish brown. Related Words: chromaticchukker-browncoloredsnuffsnuff-brownmummybrownnessbrownish Back to today's word