Synonyms and Antonyms for firmament

Synonyms:

• solar apex
• vault of heaven
• nadir
• zenith
• empyrean
• welkin
• apex of the sun's way
• zodiac
• sphere
• apex
• surface
• celestial sphere
• heavens
• celestial point

Antonyms:

• nadir
• zenith
• antapex
• inglorious
• natural object