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

Even the park entrance sign is surrounded by a bed of color, a stark contrast to the barren expanses that usually greet visitors. —Jessica Chapel, Condé Nast Traveler, 11 Mar. 2026

In his score, Wagner manipulates space and scale, suggesting intimate chambers and vast expanses of the North Atlantic with innumerable shadings of orchestration. —Justin Davidson, Vulture, 11 Mar. 2026

The rocky expanse of rugged hills and arroyos is as real as the Mojave Desert and somewhat resembles it. —Kevin West, Travel + Leisure, 10 Mar. 2026

Surrounded by wide open expanses of the Santa Monica Mountains, this modern abode has a direct connection with its surroundings via the sliding doors and casement windows that swing open to beckon in fresh air and sunlight. —Erika Owen, Architectural Digest, 10 Mar. 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