Added 9 October 2026 roomful noun Categories: Describing WordsRare Words noun ! Definition from Wiktionary (CC BY-SA). More about roomful at Wordnik → Where our words come from → The amount that a room can hold, especially the number of people that can fit into a room. The people in a room, considered as a group. adjective Abounding with room or rooms; roomy. Origin From room + -ful. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: roomchamberfulhallfulroomthhousefulcabinfulshopfulroomerdeskfulstudiofulhouseroomstowage Back to today's word