spa ‧ cious /ˈspeɪʃəs/ BrE AmE adjective
[ Date: 1300-1400 ; Language: Old French ; Origin: spacieux , from Latin spatiosus , from spatium ; ⇨ ↑ space 1 ]
a spacious house, room etc is large and has plenty of space to move around in OPP cramped :
a spacious living area
—spaciously adverb
—spaciousness noun [uncountable]