Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “the firmament”

the firmament

noun [S] uk   /ˈfɜː.mə.mənt/ us    /ˈfɜːr-/ literary
the sky: figurative She is one of the rising stars in the political firmament.The Earth and outer space - general words
(Definition of the firmament from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of the firmament?
Add Cambridge dictionaries to your browser to your website

Translations of “the firmament”

Word of the Day


a measure for liquid equal to about half a litre

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More