From Longman Dictionary of Contemporary Englishroomyroom‧y /ˈruːmi/ adjective BIGa house, car etc that is roomy is large and has a lot of space inside it SYN spacious OPP cramped
Examples from the Corpus
roomy• The interior, although fairly basic in its design, is roomy and much better screwed together than a few years ago.• But it's also practical, roomy and well equipped.• Its cabin is roomy and well-planned and full of equipment.• The island has 24 roomy bungalows scattered about the beachfront, each with a wide verandah and excellent facilities.• They would operate from roomy vicarages with ample grounds and were welcome guests at the highest tables in their parishes. 