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Synonyms

firmament

American  
[fur-muh-muhnt] / ˈfɜr mə mənt /

noun

  1. the vault of heaven; sky.


firmament British  
/ ˈfɜːməmənt, ˌfɜːməˈmɛntəl /

noun

  1. the expanse of the sky; heavens

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • firmamental adjective

Etymology

Origin of firmament

1250–1300; Middle English < Late Latin firmāmentum sky, Latin: support, prop, stay, equivalent to firmā ( re ) to strengthen, support ( firm 2 ) + -mentum -ment

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A century on, the place of all three in the firmament is secure.

From The Wall Street Journal • Nov. 14, 2025

Time and cultural amnesia restored all these stars to the firmament of our good graces, as I’m sure will happen with most of these comedians.

From Salon • Oct. 5, 2025

As for the food, Gold called some of it “ordinary,” but noted, “Weirdly enough, I don’t care,” noting the restaurant’s place in L.A.’s culinary firmament.

From Los Angeles Times • Aug. 17, 2025

The cast - and the status of the 1922 original in the film firmament - means Eggers' movie had achieved a cult-like following even before its release.

From BBC • Dec. 31, 2024

How did Donne know that the new philosophers were seeking new worlds, not only by thinking of the planets as worlds but also by looking for worlds elsewhere in the firmament?

From "The Invention of Science" by David Wootton