vastness

American  

[vast-nis] / ˈvæst nɪs /

noun

1. the fact or quality of being very great in extent, size, degree, amount, etc.; immensity or hugeness.

   Given the vastness of the country, improved infrastructure will have to precede any economic development.

   I was awestruck by the sheer vastness of her knowledge on the subject.

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Other Word Forms

• supervastness
  noun

Etymology

Origin of vastness

First recorded in 1600–10; vast ( def. ) + -ness ( def. )

Example Sentences

See Examples For:

vastness

After it reaches an orbit near that of the telescope, the robot must locate Swift across the vastness of space.

From Barron's ● Jun. 30, 2026

Simon Featherstone, co-chair of the Otford Society, said the project was designed to allow visitors to "visualise the sheer vastness of our solar system".

From BBC ● Jun. 7, 2026

The ever-growing vastness of human knowledge is no longer stored in libraries, but on hard drives that struggle to last decades, let alone millennia.

From Barron's ● Feb. 18, 2026

The authors that explore the vastness of the heart often serve as our guides.

From Los Angeles Times ● Feb. 10, 2026

We stood side by side and looked out at the vastness, the possibility of everything out there.

From "The Book of Unknown Americans" by Cristina Henríquez

Related Words

• expanse