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 the body of water, which resembles an 186-mile vericose vein snaking across southern Utah, is difficult to comprehend or convey. —Elise Schmelzer, Denver Post, 7 June 2026

Fraser’s explosive performance underlines the immensity of the stakes, balancing every precarious element of this enormous mission. —Los Angeles Times, 29 May 2026

After a day pondering the immensity of Tikal, the lake becomes more than scenery. —Lauren Mowery, Forbes.com, 26 May 2026

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

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