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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.


Other Word Forms

Derived Forms

Etymology

Origin of vastness

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

Really, I think, the vastness of today and what we are looking at as far as the future for all of us is just so twisted in turmoil.

From Los Angeles Times • Nov. 20, 2025

The singer has previously written about the "vastness" of his grief and about how the death of his sons changed him.

From BBC • Nov. 10, 2025

A young woman from an island community on the brink of extinction sets out on an odyssey across the vastness of the Pacific, hoping to save the people of her benighted home.

From The Wall Street Journal • Oct. 15, 2025

On their way back from the moon, Jim Lovell said he thought the earth looked like a “grand oasis in the great vastness of space. ”

From "Flying to the Moon: An Astronaut's Story" by Michael Collins

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