Added 10 October 2026 grumous adjective Categories: Describing WordsObscure Words adjective ! Definition from Wiktionary (CC BY-SA). More about grumous at Wordnik → Where our words come from → Resembling grume; thick and lumpy; soft and semisolid Related Words: thickcoagulatecoagulatedcurdledgrumosegristlymushysludgelikegrainyglumelikeclumpymushlike Back to today's word