RichThesaurus
the upper regions
the upper regions
synonyms
the welkin
the firmament
the heavens
the azure
the blue
the sphere
the ether
the vault of heaven
the stratosphere
the empyrean
the wide blue yonder
sky
airspace
the (wide) blue yonder
the upper atmosphere
the sky
the skies
the vault (of heaven)
heaven
the celestial sphere
the atmosphere
aerosphere
atmosphere
air
empyrean
the upper regions
definitions