expanse

noun

ex·​panse ik-ˈspan(t)s 

1

: firmament

2

: great extent of something spread out

an expanse of calm ocean

Synonyms of expanse

• expansion
• stretch
• length

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

With its affinities for isolation and, at times, imposing scale, Land art conjures archaeology and the geological sublime—vast expanses of space and time. — Jeffrey Weiss, Artforum, 1 Oct. 2026

Haggin developed a successful horse breeding farm on the sprawling expanse and at one time owned as many as 1,000 thoroughbreds. — Darrell Smith, Sacbee.com, 1 Oct. 2026

Given its expanse and varied climates, Brazil faces the broadest exposure. — Dan Restrepo, Foreign Affairs, 30 Sep. 2026

Arid canyons and rocky expanses with little vegetation are conducive to flash flooding and the tropical weather adds more risk, said Andrew Mangham, senior service hydrologist for the National Weather Service in Albuquerque, New Mexico. — Martín Silva Rey, Los Angeles Times, 29 Sep. 2026

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

Rhymes for expanse

• advance
• askance
• enhance
• finance
• freelance
• mischance
• perchance
• romance
• chance
• dance
• glance
• hance

Kids Definition

expanse

noun

ex·​panse ik-ˈspan(t)s 

: a wide space, area, or stretch

the vast expanse of the ocean