expanse

noun

ex·​panse ik-ˈspan(t)s How to pronounce expanse (audio)
Synonyms of expansenext
1
2
: great extent of something spread out
an expanse of calm ocean

Examples of expanse in a Sentence

The explorer gazed across the vast Arctic expanse. the great explorers who crossed the vast expanses of the seven seas in small ships
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In it, two split-level homes float atop a fluffy, cloudlike expanse of white surf before a golden sunset. Laura Brown, Artforum, 25 Mar. 2026 Large expanses of the desert may flood, in some cases picking up a year’s worth of rainfall in three days. Matthew Cappucci, Washington Post, 24 Mar. 2026 The Broncos will work with the city in the coming months to develop a small-area plan, which will set out the design for the expanse surrounding the stadium site. Elliott Wenzler, Denver Post, 23 Mar. 2026 The dry lake beds that flanked the highway, usually cracked expanses of tan, were becoming actual lakes. Eric Boodman, STAT, 23 Mar. 2026 See All Example Sentences for expanse

Word History

Etymology

New Latin expansum, from Latin, neuter of expansus, past participle of expandere

First Known Use

1667, in the meaning defined at sense 1

Time Traveler
The first known use of expanse was in 1667

Browse Nearby Words

Cite this Entry

“Expanse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expanse. Accessed 30 Mar. 2026.

Kids Definition

expanse

noun
ex·​panse ik-ˈspan(t)s How to pronounce expanse (audio)
: a wide space, area, or stretch
the vast expanse of the ocean

More from Merriam-Webster on expanse

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster