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Synonyms

viability

American  
[vahy-uh-bil-i-tee] / ˌvaɪ əˈbɪl ɪ ti /

noun

  1. ability to live, especially under certain conditions.

    The viability of a fetus outside the womb has increased dramatically with the advent of new technologies and procedures.

  2. the capacity to operate or be sustained.

    The viability of the company was guaranteed by the success of its new product.


Other Word Forms

Derived Forms

Etymology

Origin of viability

First recorded in 1820–30; vi(able) ( def. ) + -ability ( def. )

Explanation

The noun viability means the quality of being able to happen or having a reasonable chance of success. The viability of holding your party at a restaurant might depend on how many guests they can seat. Viability comes from the Latin root vita, meaning "life." So the noun viability also refers to something's capacity to live and grow. When your dog has a litter of puppies, you can't help wondering about the viability of the tiniest one, but if you feed him with an eyedropper and keep him warm, he might make it.

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Vocabulary lists containing viability

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 GAO staff also explored the viability of other data-quality enhancements, including the use of blended data from multiple information sources, including surveys, administrative records, and alternative data, to calculate employment rates.

From Barron's • Jun. 5, 2026

Richardson believes the success of those events helped prove the city’s viability as a concert destination.

From Los Angeles Times • Jun. 4, 2026

Historically, that conservative approach was seen as prudent, protecting investors from speculative excess and ensuring that index constituents demonstrated operational viability before gaining access to trillions of dollars of public capital flows.

From MarketWatch • Jun. 2, 2026

But Lyons said the recommendations "could have significant and unintended consequences on the economic viability of our hospitality sector at a time when many are operating below viability thresholds".

From BBC • May 31, 2026

His claims provoked a widespread concern with the replication of his experiments precisely because the viability of Aristotelian orthodoxy was now at stake.

From "The Invention of Science" by David Wootton

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