Related Clues:

• Breezy
• Speculative
• Like a stadium without a dome
• Snobbish
• Nonchalant
• Like an atrium
• Like custard
• Having no perceptible weight
• Open to breezes
• Vacuous
• Open-roofed
• Not stifling
• Bright and breezy
• Like brioche
• Like an omelet, e.g.