Synonyms and Antonyms for firmament

Synonyms:

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

Antonyms:

• antapex
• nadir
• zenith
• inglorious
• uncover