Synonyms for celestial sphere

Most common

sky · heavens · firmament · empyrean

All synonyms

Noun

Definitions

1. n. 1

   The apparent outer limit of space; an abstract sphere of infinite radius which serves as the imaginary backdrop for celestial objects, and of which the visible sky is one hemisphere.

Example sentences

• sky The tower looks beautiful against the evening sky.
• heavens The heavens have granted him many special talents.
• firmament May the firmament not fall upon him.

By length

3 letters

sky¹

6 letters

sphere¹, welkin

7 letters

heavens²

8 letters

empyrean

9 letters

firmament

The small number after each word is its number of syllables (heavens² = 2 syllables).