Synonyms of firmament in English:

firmament

noun

(the firmament) literary
  • the sky, heaven, the blue, the wide blue yonder, the azure, the heavens, the skies
    literary the vault (of heaven), the celestial sphere, the empyrean, the welkin
  • Definition of firmament in:

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    Word of the day envenom
    Pronunciation: ɪnˈvɛnəm
    verb
    put poison on or into; make poisonous