fir·​ma·​ment | \ ˈfər-mə-mənt How to pronounce firmament (audio) \

Definition of firmament

1 : the vault or arch of the sky : heavens Stars twinkled in the firmament.
2 obsolete : basis
3 : the field or sphere of an interest or activity the international fashion firmament She's a rising star in the city's artistic firmament.

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Other Words from firmament

firmamental \ ˌfər-​mə-​ˈmen-​tᵊl How to pronounce firmament (audio) \ adjective

Synonyms for firmament


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Examples of firmament in a Sentence

meteors flashing across the firmament the stars in the firmament twinkled ever so brightly
Recent Examples on the Web Yes, that is now operating in Qatar, signaling the emirate’s place in the diplomatic firmament. Llewellyn King, Forbes, 21 Sep. 2021 David Finn’s lights suggest the heavens are unstable and in mind of producing storms or, elsewhere in the firmament, perhaps hurricanes from warring wind and seas. Chris Jones,, 19 Sep. 2021 The case, Ortiz-Díaz v. United States, highlights Puerto Rico’s unusual position in the American constitutional firmament. Matt Ford, The New Republic, 8 Sep. 2021 In his pictures, in those shattering moments, there is a perverse beauty: that perfect sky, those lovely people, the glowing orange fireball, the rain of debris that looked for a short time like stars in the firmament. Washington Post, 9 Sep. 2021 But neither shift suggests digital behemoths are throwing in the towel on their plans to disrupt the medical firmament, Erin writes in a new story. Stat Staff, STAT, 27 Aug. 2021 This Harnessing Plants Initiative is perhaps the brightest star in a crowded firmament of climate change solutions based on the brown stuff beneath our feet. Quanta Magazine, 2 Aug. 2021 All of the cases thus far have focused on claims that mandates violate federal law, but much of the legal firmament that guides our lives is state law. I. Glenn Cohen, Time, 2 Aug. 2021 Moreno, who is Puerto Rican by birth and Hollywood by steely determination, occupies a singular place in the cultural firmament. New York Times, 25 June 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'firmament.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of firmament

13th century, in the meaning defined at sense 1

History and Etymology for firmament

Middle English, from Late Latin & Latin; Late Latin firmamentum, from Latin, support, from firmare

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Time Traveler for firmament

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The first known use of firmament was in the 13th century

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Dictionary Entries Near firmament



firmament blue

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Statistics for firmament

Last Updated

29 Sep 2021

Cite this Entry

“Firmament.” Dictionary, Merriam-Webster, Accessed 25 Oct. 2021.

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English Language Learners Definition of firmament

: the sky

More from Merriam-Webster on firmament

Nglish: Translation of firmament for Spanish Speakers

Britannica English: Translation of firmament for Arabic Speakers


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