un cluttered (adjective) airy: open to the atmosphere
Sinonime: aerial, atmospheric, blowy, breezy, drafty,
exposed, fluttering,
fresh, gaseous, gusty,
light,
lofty, out-of-doors, uncluttered, vaporous, ventilated, well-ventilated, windy
Antonime: close,
closed,
oppressive, stuffy