immensity

noun

im·​men·​si·​ty i-ˈmen(t)-sə-tē 

plural immensities

1

: the quality or state of being immense

the immensity of the sky

2

: something immense

… the gigantic temples of Egypt, those massive immensities of granite …

—Edith Hamilton

Synonyms of immensity

• magnitude
• vastness
• hugeness
• enormousness
• immenseness
• enormity

Examples of immensity in a Sentence

the immensity of the universe

She couldn't understand the immensity of their problem.

Recent Examples on the Web

The immensity of recreational fishing also likely has effects on freshwater ecosystems that have gone unrecognized by fisheries managers. —Matthew Robertson, The Conversation, 6 May 2026

Their grandeur and immensity manage to surprise us even in an age when humans are building larger and larger things. —Jessica Camille Aguirre, New Yorker, 2 May 2026

The life of a music director at a major opera company is inevitably one engaged in tragedy, and Conlon exhibits the dramatic flair to grip its emotional immensity. —Classical Music Critic, Los Angeles Times, 29 Apr. 2026

This is the brilliance and haunting immensity of Cauleen Smith’s The Warden, 2025. —Horace D. Ballard, Artforum, 22 Apr. 2026

Word History

First Known Use

15th century, in the meaning defined at sense 1

Rhymes for immensity

• intensity
• propensity
• density

Kids Definition

immensity

noun

im·​men·​si·​ty im-ˈen(t)-sət-ē 

plural immensities

1

: the quality or state of being immense

2

: something immense