Added 10 October 2026 enormousness noun Categories: Describing WordsObscure Words noun ! Definition from WordNet 3.1, Princeton University. More about enormousness at Wordnik → Where our words come from → Unusual largeness in size or extent or number. Related Words: immensityimmensenessvastnessgrandnessgreatnesssizeablenessenormityginormousnessimmanitygiganticismgrandeurbigness Back to today's word