unviable
adjective
un·vi·a·ble
ˌən-ˈvī-ə-bəl 
: incapable of growth or development : not viable
unviable seeds
an unviable business/investment
Examples of unviable in a Sentence
Recent Examples on the Web
Instead, the embryo was growing inside her right fallopian tube, a placement that made the pregnancy unviable and posed a significant threat to Hall’s health — and life — if left untreated.
—
Emily Brindley
health Reporter, Dallas Morning News, 27 Mar. 2026
Should mission operators encounter any delays and need to postpone the launch for another day, NASA is able to reset SLS for up to four attempts between April 1-6, with another window opening April 30 should the first week of the month become unviable.
—Josh Dinner, Space.com, 27 Mar. 2026
Discard any older, unviable seeds that have floated to the top of the water.
—Mary Marlowe Leverette, The Spruce, 12 Mar. 2026
The losses and damages from extreme weather events are mounting to the point that major reinsurers now warn that entire economic models may become unviable if climate risks continue to rise unchecked.
—Sir David King, Time, 15 Dec. 2025
See All Example Sentences for unviable
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Emily Brindley
health Reporter, Dallas Morning News, 27 Mar. 2026
Should mission operators encounter any delays and need to postpone the launch for another day, NASA is able to reset SLS for up to four attempts between April 1-6, with another window opening April 30 should the first week of the month become unviable.
—Josh Dinner, Space.com, 27 Mar. 2026
Discard any older, unviable seeds that have floated to the top of the water.
—Mary Marlowe Leverette, The Spruce, 12 Mar. 2026
The losses and damages from extreme weather events are mounting to the point that major reinsurers now warn that entire economic models may become unviable if climate risks continue to rise unchecked.
—Sir David King, Time, 15 Dec. 2025
See All Example Sentences for unviable
Cite this Entry
“Unviable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unviable. Accessed 6 Apr. 2026.
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