inviable

1 of 2

adjective

in·​vi·​a·​ble (ˌ)in-ˈvī-ə-bəl How to pronounce inviable (audio)
: incapable of surviving especially because of a deleterious genetic constitution

inviability

2 of 2

noun

in·​viability (¦)in How to pronounce inviability (audio)
ən+
: inability to live
used especially of a genetic constitution that precludes survival
inviability of intergeneric hybridsE. R. Sears

Examples of inviable in a Sentence

Recent Examples on the Web
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Adjective
That same architect was originally hired to build the Sagrada Familia, but material costs made his neo-Gothic proposal inviable and the commission went to Gaudí. ABC News, 9 June 2026 It is largely believed peppers developed capsaicin as a defense mechanism to prevent animals — likely rodents, whose grinding teeth render seeds inviable — from eating them. Amy Drew Thompson, Orlando Sentinel, 18 Nov. 2022 However, while both early embryos and late fetuses can become inviable due to genetic errors, early and late abortions are regulated very differently. Kathryn Kavanagh, The Conversation, 1 Sep. 2022 Only toward the end of the book does Gates acknowledge that the business of personal computers (including Microsoft’s) would have been inviable without decades of R&D support, made possible by taxpayers through grants from the National Science Foundation. Reid Singer, Outside Online, 24 Feb. 2021

Word History

Etymology

Adjective

International Scientific Vocabulary

First Known Use

Adjective

1918, in the meaning defined above

Time Traveler
The first known use of inviable was in 1918

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Cite this Entry

“Inviable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inviable. Accessed 14 Jun. 2026.

Medical Definition

inviable

adjective
in·​vi·​a·​ble (ˈ)in-ˈvī-ə-bəl How to pronounce inviable (audio)
: incapable of surviving especially because of a deleterious genetic constitution
inviability noun
plural inviabilities
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