(of a room or building) large and with plenty of space for people to move around in synonym roomy The hotel rooms are spacious and comfortable. See related entries: How a building looks Word Origin late Middle English: from Old French spacios or Latin spatiosus, from spatium.Extra examples The boat provides spacious accommodation for five people. The hotel has 47 spacious bedrooms, all with en suite bathrooms. The rooms are spacious and comfortable. The villa is surrounded by spacious gardens.