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