Nonchalant
Else clues• ___ Alf of comics
• Atmospheric
• Blithe
• Breeze-filled
• Breezy
• Breezy, as a room
• Bright and breezy
• Bright and open
• Buoyant
• Delicate
• Diaphanous
• Ethereal
• Exceptionally light
• Fanciful
• Fancy-free
• Far from claustrophobic
• Far from stuffy
• Feather-light
• Flippant
• Free and easy
• Free-flowing, in a way
• Fresh
• Full of breezes
• Gazebo-like
• Gossamer
• Graceful
• Hardly stuffy
• Having good circulation
• Having no perceptible weight
• Highfalutin
• Hubert's successor
• Illusory
• Imaginary
• Immaterial
• Impractical
• Insubstantial
• Jaunty
• Lacking substance
• Light
• Light and delicate
• Light and fluffy
• Light and fresh
• Light and lively
• Light and thin, as material
• Light as a feather
• Light in appearance
• Light of heart
• Lighthearted
• Lighthearted and gay
• Like a screened porch
• Like a souffle
• Like a stadium without a dome
• Like atria
• Like breezeways
• Like gauze
• Like gossamer
• Like meringue
• Like persiflage
• Like some rooms
• Lilting
• Lofty
• Mount ___ (North Carolina birthplace of Andy Griffith)
• Not stifling
• Not stuffy
• Open
• Open to breezes
• Open to the breeze
• Open-roofed
• Refreshing
• Snobbish
• Spacious
• Sprightly
• Subject to a draft
• Subject to breezes
• Ventilated
• Very light
• Vivacious
• Well ventilated
• Zephyrean
• Zephyrous