firmament
6 synonyms for firmament, grouped by meaning and by how common each one is.
Noun — The sky, especially thought of as a vast dome or vault overhead.
Synonyms
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
How to use firmament
The word patterns that sound natural to a native speaker.
Formal and literary; rarely used in everyday speech.
Etymology
From Latin firmamentum ("support, sky"), used in the Bible to translate a Hebrew word for the vault of the heavens.
Full origin of firmament →